<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Flexible Packaging Atlas</title><description>Technical resources on flexible packaging films, foils, laminates, packaging formats, barrier performance and packaging machine compatibility.</description><link>https://alcoapack.com/</link><language>en</language><item><title>Fresh Produce Packaging Film: Respiration, Moisture and Trial Inputs</title><link>https://alcoapack.com/applications/fresh-produce-packaging-film/</link><guid isPermaLink="true">https://alcoapack.com/applications/fresh-produce-packaging-film/</guid><description>Match fresh produce film to crop, cut state, pack geometry and cold-chain conditions. Use a blank trial record for gas exchange, moisture and supplier data.</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>fresh produce film</category><category>modified atmosphere packaging</category><category>film trials</category></item><item><title>Nut Packaging Materials: Whole, Shelled, Raw and Roasted Products</title><link>https://alcoapack.com/applications/nuts-packaging-materials/</link><guid isPermaLink="true">https://alcoapack.com/applications/nuts-packaging-materials/</guid><description>Nut packaging materials follow shell, piece size and roast. Record moisture loss and gain, and leave barrier cells blank until a supplier sheet arrives.</description><pubDate>Wed, 14 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>nut packaging</category><category>moisture barrier</category><category>tree nuts</category></item><item><title>Tea Packaging Materials: Brew Bags and Storage Pouches</title><link>https://alcoapack.com/applications/tea-packaging-materials/</link><guid isPermaLink="true">https://alcoapack.com/applications/tea-packaging-materials/</guid><description>Tea packaging materials for dry leaf: a brew bag lets water through, and a storage pouch has to slow aroma loss. Record leaf, atmosphere and the seal.</description><pubDate>Tue, 13 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>tea packaging</category><category>barrier pouch</category><category>filter bag</category><category>aroma</category></item><item><title>Rice Packaging Materials: Woven Sacks, Liners and Sealed Retail Packs</title><link>https://alcoapack.com/applications/rice-packaging-materials/</link><guid isPermaLink="true">https://alcoapack.com/applications/rice-packaging-materials/</guid><description>What dry rice packaging is made of: a woven outer sack, a sack with an inner pack, or a sealed film bag. Polypropylene is not a moisture-proof guarantee.</description><pubDate>Mon, 12 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>rice packaging</category><category>woven sack</category><category>moisture barrier</category><category>polyethylene</category></item><item><title>Spice Packaging Materials: Aroma, Moisture and Contact-Layer Checks</title><link>https://alcoapack.com/applications/spice-packaging-materials/</link><guid isPermaLink="true">https://alcoapack.com/applications/spice-packaging-materials/</guid><description>The best spice packaging depends on whole or ground form, climate and how spice oils meet the inner layer. Compare the risks, then copy a sample record.</description><pubDate>Sun, 11 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>spice packaging</category><category>moisture barrier</category><category>sealant layer</category><category>pouches</category></item><item><title>Avantium and kp PEF: evidence before a packaging material switch</title><link>https://alcoapack.com/materials/avantium-kl-ckner-pentaplast-pef/</link><guid isPermaLink="true">https://alcoapack.com/materials/avantium-kl-ckner-pentaplast-pef/</guid><description>Read the Avantium and kp PEF reservation agreement through tray, lid and barrier evidence, conditional future supply and questions for US projects.</description><pubDate>Thu, 08 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>PEF</category><category>food packaging</category><category>barrier materials</category></item><item><title>BASF paper coating dispersions: reading the carbon claim</title><link>https://alcoapack.com/materials/basf-paper-coating-dispersions/</link><guid isPermaLink="true">https://alcoapack.com/materials/basf-paper-coating-dispersions/</guid><description>Separate BASF&apos;s mass-balance carbon claim from coating performance, qualification and US supply evidence before reviewing a paper packaging change.</description><pubDate>Thu, 08 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>paper coatings</category><category>carbon footprint</category><category>material evidence</category></item><item><title>Kelpi and Bower paper sachet: material questions after the trial</title><link>https://alcoapack.com/materials/kelpi-bower-collective-sachet/</link><guid isPermaLink="true">https://alcoapack.com/materials/kelpi-bower-collective-sachet/</guid><description>Review the Kelpi and Bower coated-paper sachet trial through material, liquid-contact, sealing and US recycling questions before planning a change.</description><pubDate>Thu, 08 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>coated paper</category><category>liquid sachets</category><category>material evidence</category></item><item><title>SunDance coffee valve pouches: what the material evidence shows</title><link>https://alcoapack.com/materials/sundance-coffee-valve-pouches/</link><guid isPermaLink="true">https://alcoapack.com/materials/sundance-coffee-valve-pouches/</guid><description>Read the SunDance coffee valve pouch announcement through film structure, valve, seal and recycling evidence before approving a packaging change.</description><pubDate>Thu, 08 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>coffee packaging</category><category>barrier materials</category><category>material evidence</category></item><item><title>Flexible Packaging Film Problems: A Troubleshooting Guide</title><link>https://alcoapack.com/guides/flexible-packaging-film-problems/</link><guid isPermaLink="true">https://alcoapack.com/guides/flexible-packaging-film-problems/</guid><description>Film defects can cause scrap, leaks and repeat downtime. Locate the failure and preserve comparison samples before choosing a test or changing materials.</description><pubDate>Wed, 07 Oct 2026 00:00:00 GMT</pubDate><category>Selection Guides</category><category>film troubleshooting</category><category>lamination</category><category>barrier packaging</category><category>seal quality</category></item><item><title>How to Choose Flexible Packaging Film: A Step-by-Step Selection Guide</title><link>https://alcoapack.com/guides/how-to-choose-flexible-packaging-film/</link><guid isPermaLink="true">https://alcoapack.com/guides/how-to-choose-flexible-packaging-film/</guid><description>An end-to-end engineering guide to selecting flexible packaging films: product barrier risks, machine kinematics, substrate structures, and trial verification protocols.</description><pubDate>Tue, 06 Oct 2026 00:00:00 GMT</pubDate><category>Selection Guides</category><category>film selection</category><category>flexible packaging</category><category>barrier film</category><category>packaging engineering</category></item><item><title>Alu-Alu Blister Packaging: When Full-Foil Blisters Make Sense</title><link>https://alcoapack.com/materials/alu-alu-foil/</link><guid isPermaLink="true">https://alcoapack.com/materials/alu-alu-foil/</guid><description>Alu alu blister packaging uses a cold-formed foil cavity and foil lid for near-total barrier. See when it is chosen and how it compares with PVC blisters.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pharmaceutical packaging</category><category>aluminum foil</category><category>barrier film</category></item><item><title>Aluminum Foil Packaging: Foil Laminates, Gauges and Uses</title><link>https://alcoapack.com/materials/aluminum-foil/</link><guid isPermaLink="true">https://alcoapack.com/materials/aluminum-foil/</guid><description>Aluminum foil packaging explained: why foil gives near-complete barrier, layer thickness and temper, laminate structures, uses and recycling limits.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>aluminum foil</category><category>barrier film</category><category>laminates</category></item><item><title>Bakery Packaging Film: Keeping Bread and Cakes Fresh</title><link>https://alcoapack.com/applications/bakery-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/bakery-packaging/</guid><description>Bakery packaging film explained: how staling, moisture loss and mold shape film choice for bread, cakes, cookies and tortillas, plus formats and machines.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>bakery packaging</category><category>barrier film</category><category>flow wrap</category><category>pouches</category></item><item><title>Barrier Film for Packaging: Oxygen, Moisture, Light and Aroma Barriers</title><link>https://alcoapack.com/materials/barrier-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/barrier-film/</guid><description>Barrier film slows the passage of oxygen, water vapor, light and aroma through packaging. See which materials block what and how barrier is measured.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>barrier film</category><category>testing</category><category>flexible packaging</category></item><item><title>Blister Foil vs Cold Form Foil: Lidding vs Forming Foil Compared</title><link>https://alcoapack.com/materials/blister-foil-vs-cold-form-foil/</link><guid isPermaLink="true">https://alcoapack.com/materials/blister-foil-vs-cold-form-foil/</guid><description>Blister foil vs cold form foil: one is the thin lidding foil, the other the formable laminate that becomes the cavity. See how they differ and work together.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>aluminum foil</category><category>pharmaceutical packaging</category><category>blister packaging</category></item><item><title>Blister Foil: Lidding Foils for Pharmaceutical Blister Packs</title><link>https://alcoapack.com/materials/blister-foil/</link><guid isPermaLink="true">https://alcoapack.com/materials/blister-foil/</guid><description>Blister foil is aluminum-based lidding for pharmaceutical blister packs. Learn lidding types, lacquers, sealing variables and checks.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>aluminum foil</category><category>pharmaceutical packaging</category><category>sealing</category></item><item><title>Blister Packaging: Formats, Materials and Uses</title><link>https://alcoapack.com/formats/blister-pack/</link><guid isPermaLink="true">https://alcoapack.com/formats/blister-pack/</guid><description>Blister packaging holds a product in a thermoformed or cold-formed cavity sealed to a lidding or card; see types, materials and typical uses.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>blister pack</category><category>thermoforming</category><category>packaging formats</category></item><item><title>BOPP Film for Packaging: Types, Properties and Uses</title><link>https://alcoapack.com/materials/bopp-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/bopp-film/</guid><description>BOPP packaging film explained: what biaxial orientation does, the main grades from clear to metallized, sealing options and typical uses.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>bopp film</category><category>packaging film</category><category>sealing</category></item><item><title>BOPP vs CPP: Oriented vs Cast Polypropylene Film</title><link>https://alcoapack.com/materials/bopp-vs-cpp-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/bopp-vs-cpp-film/</guid><description>BOPP vs CPP compared: oriented versus cast polypropylene film on stiffness, clarity, sealing, heat resistance, barrier, recyclability and where each is used.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>bopp film</category><category>cpp film</category><category>sealing</category></item><item><title>California SB 54: Plastic Packaging Producer Responsibility Explained</title><link>https://alcoapack.com/regulations/california-sb54/</link><guid isPermaLink="true">https://alcoapack.com/regulations/california-sb54/</guid><description>California SB 54 makes producers responsible for single-use packaging, with 2032 targets for recyclability, source reduction and recycling rates.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Regulations</category><category>regulations</category><category>sustainability</category><category>epr</category></item><item><title>Candy Packaging Film: Twist Wraps, Flow Wraps and Cold Seal</title><link>https://alcoapack.com/applications/candy-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/candy-packaging/</guid><description>Candy packaging film explained: twist-wrap and flow-wrap structures, cold seal for chocolate, moisture and aroma barrier, metallized and white BOPP.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>candy packaging</category><category>bopp film</category><category>flow wrap</category><category>barrier film</category></item><item><title>Cheese Packaging Film: Ripening, Vacuum and MAP</title><link>https://alcoapack.com/applications/cheese-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/cheese-packaging/</guid><description>Cheese packaging film explained: gas-permeable ripening films, vacuum bags for blocks, MAP for sliced and shredded cheese, reclosable packs and structures.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>cheese packaging</category><category>barrier film</category><category>pouches</category><category>vacuum packaging</category></item><item><title>Coffee Packaging Materials: Barrier, Valves and Pouch Formats</title><link>https://alcoapack.com/applications/coffee-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/coffee-packaging/</guid><description>Coffee packaging materials explained: oxygen and aroma barrier, one-way degassing valves, nitrogen flushing, pouch formats and machine fit.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>coffee packaging</category><category>barrier film</category><category>pouches</category></item><item><title>Cold Form Foil: Laminates for Alu-Alu Blisters</title><link>https://alcoapack.com/materials/cold-form-foil/</link><guid isPermaLink="true">https://alcoapack.com/materials/cold-form-foil/</guid><description>Cold form foil is a soft aluminum laminate pressed into blister cavities without heat. Learn the OPA/Al/PVC build, forming limits, defects and checks.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>aluminum foil</category><category>pharmaceutical packaging</category><category>laminates</category></item><item><title>Compostable Flexible Packaging: Materials, Standards and Limits</title><link>https://alcoapack.com/sustainability/compostable-flexible-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/compostable-flexible-packaging/</guid><description>Compostable flexible packaging breaks down under defined composting conditions. Learn the standards, common materials, barrier limits and when it makes sense.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>compostable</category><category>pouches</category></item><item><title>CPP Film for Packaging: Cast Polypropylene Explained</title><link>https://alcoapack.com/materials/cpp-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/cpp-film/</guid><description>CPP film packaging uses cast polypropylene for clear, soft, heat-sealable layers. Learn the grades, uses and how CPP compares with LLDPE sealant.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>cpp film</category><category>sealing</category><category>polypropylene</category></item><item><title>Design for Recycling: A Checklist for Flexible Packaging</title><link>https://alcoapack.com/sustainability/design-for-recycling/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/design-for-recycling/</guid><description>Design for recycling means building a pack to fit a recycling stream. Use this checklist for polymers, barriers, inks, adhesives, fitments and testing.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>recycling</category><category>pouches</category></item><item><title>EU Packaging and Packaging Waste Regulation (PPWR): What It Means for Flexible Packaging</title><link>https://alcoapack.com/regulations/ppwr/</link><guid isPermaLink="true">https://alcoapack.com/regulations/ppwr/</guid><description>The PPWR, Regulation (EU) 2025/40, sets EU rules on recyclability, recycled content, labeling and PFAS. See the timeline and what it means for flexible packaging.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Regulations</category><category>regulations</category><category>ppwr</category><category>sustainability</category><category>pouches</category></item><item><title>EVOH Barrier Film: How EVOH Works in Packaging</title><link>https://alcoapack.com/materials/evoh-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/evoh-film/</guid><description>EVOH barrier film adds very high oxygen barrier when dry, but it needs protection from humidity. Learn structures, trade-offs and recycling issues.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>barrier film</category><category>evoh</category><category>coextrusion</category></item><item><title>First-Order Risk Checklist for Printed Pouches and Rollstock</title><link>https://alcoapack.com/guides/first-pouch-order-risk-checklist/</link><guid isPermaLink="true">https://alcoapack.com/guides/first-pouch-order-risk-checklist/</guid><description>A compact checklist for controlling specification, payment, quality and shipment risk on a first order of printed pouches or rollstock.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Selection Guides</category><category>first order</category><category>pouches</category><category>rollstock</category></item><item><title>Flat Bottom Pouch: Box-Style Pouches Explained</title><link>https://alcoapack.com/formats/flat-bottom-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/flat-bottom-pouch/</guid><description>A flat bottom pouch has a rectangular base and two side gussets that make a boxlike, self-standing pack. See construction, features and how it compares.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>formats</category><category>premade pouches</category></item><item><title>Flexible Cosmetic Packaging: Sachets, Refill Pouches and Wipes</title><link>https://alcoapack.com/applications/cosmetic-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/cosmetic-packaging/</guid><description>Flexible cosmetic packaging explained: sample sachets, refill pouches, wet-wipe packs, chemical compatibility, premium print and typical structures.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>cosmetic packaging</category><category>pouches</category><category>sachets</category><category>barrier film</category></item><item><title>Flexible Packaging Film: Monolayer, Coextruded and Laminated Films</title><link>https://alcoapack.com/flexible-packaging/film/</link><guid isPermaLink="true">https://alcoapack.com/flexible-packaging/film/</guid><description>Flexible packaging film is built as monolayer, coextruded or laminated webs. Learn how layers, printing and rollstock affect performance.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Flexible Packaging</category><category>flexible packaging</category><category>laminates</category><category>rollstock</category></item><item><title>Flexible Packaging for Household Products: Detergents, Refills and Wipes</title><link>https://alcoapack.com/applications/household-products/</link><guid isPermaLink="true">https://alcoapack.com/applications/household-products/</guid><description>Flexible packaging for household products: detergent pouches, refill pouches and wipes, chemical resistance, stress cracking, drop strength and structures.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>household products</category><category>pouches</category><category>detergent packaging</category><category>sustainability</category></item><item><title>Flexible Packaging LCA: How Life Cycle Assessments Compare Packs</title><link>https://alcoapack.com/sustainability/flexible-packaging-lca/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/flexible-packaging-lca/</guid><description>Flexible packaging LCA compares packs across their life cycle. Learn the ISO framework, functional unit, system boundaries and how to question the results.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>lca</category><category>testing</category></item><item><title>Flexible vs Rigid Packaging: How to Compare Them</title><link>https://alcoapack.com/flexible-packaging/flexible-vs-rigid-packaging/</link><guid isPermaLink="true">https://alcoapack.com/flexible-packaging/flexible-vs-rigid-packaging/</guid><description>Flexible vs rigid packaging compared on material use, transport, protection, shelf impact, filling lines, cost and recycling, plus when rigid still wins.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Flexible Packaging</category><category>flexible packaging</category><category>sustainability</category><category>pouches</category></item><item><title>Flow Wrap Film: Choosing Film for Horizontal Flow Wrappers</title><link>https://alcoapack.com/machine-compatibility/flow-wrapper-film/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/flow-wrapper-film/</guid><description>Flow wrap film guide: common structures, cold seal vs heat seal, COF, sealing, registration, tracking and troubleshooting for horizontal flow wrappers.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>flow wrap</category><category>machine compatibility</category><category>sealing</category></item><item><title>Flow Wrap Packaging: How It Works and What It Suits</title><link>https://alcoapack.com/formats/flow-wrap/</link><guid isPermaLink="true">https://alcoapack.com/formats/flow-wrap/</guid><description>Flow wrap packaging forms a film tube around the product with a fin or lap seal and two end seals. See variants, suitable products and trade-offs.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>flow wrap</category><category>formats</category><category>sealing</category></item><item><title>Flow Wrap vs Shrink Wrap: Choosing a Wrapping Format</title><link>https://alcoapack.com/formats/flow-wrap-vs-shrink-wrap/</link><guid isPermaLink="true">https://alcoapack.com/formats/flow-wrap-vs-shrink-wrap/</guid><description>Flow wrap vs shrink wrap compared on product fit, barrier, seals, print, heat and machines, with a checklist to choose the right wrapping format.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>flow wrap</category><category>shrink film</category><category>formats</category></item><item><title>Food Contact Packaging Regulations: An Overview for Flexible Packaging</title><link>https://alcoapack.com/regulations/food-contact-packaging/</link><guid isPermaLink="true">https://alcoapack.com/regulations/food-contact-packaging/</guid><description>Food contact packaging regulations in the US and EU explained for flexible films and laminates: frameworks, migration testing, declarations and supplier questions.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Regulations</category><category>regulations</category><category>food contact</category><category>testing</category></item><item><title>Frozen Food Packaging Film: Low-Temperature Toughness and Sealing</title><link>https://alcoapack.com/applications/frozen-food-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/frozen-food-packaging/</guid><description>Frozen food packaging film explained: low-temperature toughness, puncture, freezer burn, sealing through frost, ventilated bags, formats and machines.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>frozen food packaging</category><category>sealing</category><category>vffs</category><category>pouches</category></item><item><title>HDPE Packaging Film: Stiffness, Moisture Barrier and Uses</title><link>https://alcoapack.com/materials/hdpe-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/hdpe-film/</guid><description>HDPE packaging film explained: stiffness, moisture barrier, dead-fold and crinkle, uses in liners, bags and MDO-HDPE mono-PE structures, and its limits.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pe film</category><category>hdpe</category><category>moisture barrier</category></item><item><title>High Barrier Film: Structures, Materials and When You Need One</title><link>https://alcoapack.com/materials/high-barrier-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/high-barrier-film/</guid><description>High barrier film keeps oxygen and moisture transmission very low. See common structures, trade-offs, typical products and how to specify one.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>barrier film</category><category>high barrier</category><category>laminates</category></item><item><title>Hot Tack in Packaging Films: What It Is and Why It Matters</title><link>https://alcoapack.com/performance/hot-tack/</link><guid isPermaLink="true">https://alcoapack.com/performance/hot-tack/</guid><description>Hot tack packaging performance is the strength of a heat seal while it is still molten. Learn the ASTM F1921 test, the hot tack curve and how it affects VFFS lines.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>sealing</category><category>testing</category><category>vffs</category></item><item><title>How Flexible Packaging Is Made: From Resin to Finished Pouch</title><link>https://alcoapack.com/flexible-packaging/how-flexible-packaging-is-made/</link><guid isPermaLink="true">https://alcoapack.com/flexible-packaging/how-flexible-packaging-is-made/</guid><description>How flexible packaging is made, step by step: extrusion, printing, lamination, coating, slitting, pouch making and the quality checks at each stage.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Flexible Packaging</category><category>flexible packaging</category><category>laminates</category><category>rollstock</category></item><item><title>How to Compare Flexible Packaging Film Specifications</title><link>https://alcoapack.com/guides/compare-flexible-packaging-film-specifications/</link><guid isPermaLink="true">https://alcoapack.com/guides/compare-flexible-packaging-film-specifications/</guid><description>Separate hard requirements from preferences, normalize units and test conditions, and compare the full package before choosing a film.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Selection Guides</category><category>specifications</category><category>barrier film</category><category>laminates</category></item><item><title>How to Evaluate a Flexible Packaging Supplier Before a First Order</title><link>https://alcoapack.com/guides/how-to-evaluate-a-flexible-packaging-supplier/</link><guid isPermaLink="true">https://alcoapack.com/guides/how-to-evaluate-a-flexible-packaging-supplier/</guid><description>Check printing process, in-house converting, documentation and communication before you place a first order for printed film or pouches.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Selection Guides</category><category>supplier evaluation</category><category>pouches</category><category>printed film</category></item><item><title>Laminated Packaging: How Lamination Works and Why It Matters</title><link>https://alcoapack.com/flexible-packaging/laminated-packaging/</link><guid isPermaLink="true">https://alcoapack.com/flexible-packaging/laminated-packaging/</guid><description>Laminated packaging bonds films, foil or paper into one web for print, barrier and seal. Learn dry, wet and extrusion lamination, curing and bond strength.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Flexible Packaging</category><category>laminates</category><category>flexible packaging</category><category>sealing</category></item><item><title>LDPE Packaging Film: Properties, Processing and Uses</title><link>https://alcoapack.com/materials/ldpe-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/ldpe-film/</guid><description>LDPE packaging film explained: branching, processing roles, blend trials and the matched optics, mechanical and seal evidence needed to compare candidates.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pe film</category><category>ldpe</category><category>packaging film</category></item><item><title>LDPE vs LLDPE Packaging Film: Differences and Blends</title><link>https://alcoapack.com/materials/ldpe-vs-lldpe-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/ldpe-vs-lldpe-film/</guid><description>LDPE vs LLDPE packaging film compared on structure, toughness, clarity, sealing, processing, recycling and cost, plus how LDPE and LLDPE blends are used.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>ldpe film</category><category>lldpe film</category><category>packaging film</category></item><item><title>Lidding Foil: Heat-Seal Lids for Cups, Trays and Containers</title><link>https://alcoapack.com/materials/lidding-foil/</link><guid isPermaLink="true">https://alcoapack.com/materials/lidding-foil/</guid><description>Lidding foil is aluminum-based film heat-sealed onto cups, trays and tubs. Learn lacquers, peel vs weld seals, die-cut vs reel-fed lids and specs.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>aluminum foil</category><category>sealing</category><category>lidding</category></item><item><title>LLDPE Packaging Film: Toughness, Sealing and Uses</title><link>https://alcoapack.com/materials/lldpe-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/lldpe-film/</guid><description>LLDPE packaging film explained: grade choice, comonomers, hot tack, contaminated-seal testing and the evidence needed for sealants, stretch film and sacks.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pe film</category><category>lldpe</category><category>sealing</category></item><item><title>Meat Packaging Film: Vacuum, MAP and Shrink Bags</title><link>https://alcoapack.com/applications/meat-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/meat-packaging/</guid><description>Meat packaging film explained: vacuum, MAP and skin pack structures, nylon and EVOH barrier layers, puncture protection, shrink bags and machines.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>meat packaging</category><category>barrier film</category><category>shrink film</category><category>vacuum packaging</category></item><item><title>Medical Device Packaging Materials: Sterile Barrier Systems Explained</title><link>https://alcoapack.com/applications/medical-device-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/medical-device-packaging/</guid><description>Medical device packaging materials form the sterile barrier: breathable paper or nonwoven, peel pouches, trays and lidding. See how sterilization drives choices.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>medical packaging</category><category>sterile barrier</category><category>pouches</category><category>testing</category></item><item><title>Metallized Film: Metallized PET, BOPP and CPP for Packaging</title><link>https://alcoapack.com/materials/metallized-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/metallized-film/</guid><description>Metallized film has a thin vacuum-deposited aluminum layer that improves barrier and adds a foil-like look. See process, optical density, uses and limits.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>metallized film</category><category>barrier film</category><category>flexible packaging</category></item><item><title>Moisture Barrier Packaging: Protecting Dry and Moist Products</title><link>https://alcoapack.com/performance/moisture-barrier/</link><guid isPermaLink="true">https://alcoapack.com/performance/moisture-barrier/</guid><description>Moisture barrier packaging keeps dry products crisp and moist products fresh. See how to match film structures, desiccants and seals to the product and climate.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>barrier film</category><category>moisture barrier</category><category>shelf life</category></item><item><title>Mono PE vs Multilayer Film: Recyclability vs Performance</title><link>https://alcoapack.com/sustainability/mono-pe-vs-multilayer-film/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/mono-pe-vs-multilayer-film/</guid><description>Mono PE vs mixed-material multilayer film compared on recyclability, barrier, seal window, print and cost, with guidance on which structure suits your product and line.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>mono-material</category><category>laminates</category><category>pouches</category></item><item><title>Mono-Material Packaging: Mono-PE and Mono-PP Flexible Structures</title><link>https://alcoapack.com/sustainability/mono-material-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/mono-material-packaging/</guid><description>Mono material packaging explained: how mono-PE and mono-PP structures are built, their barrier limits, and what they change on the packaging line.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>mono-material</category><category>sealing</category><category>pouches</category></item><item><title>Mono-PE Packaging: Polyethylene-Based Pouches and Laminates</title><link>https://alcoapack.com/sustainability/mono-pe-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/mono-pe-packaging/</guid><description>Mono PE packaging replaces PET/PE laminates with polyethylene-based films. See the outer webs, barrier options, seal window and machine changes involved.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>mono-material</category><category>pouches</category><category>sealing</category></item><item><title>Mono-PP Packaging: Polypropylene-Based Structures</title><link>https://alcoapack.com/sustainability/mono-pp-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/mono-pp-packaging/</guid><description>Mono-PP packaging uses a PP-dominant structure. Check outer and sealant grades, cold-use and retort evidence, barrier, and recycling-stream compatibility.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>mono-material</category><category>pouches</category><category>barrier film</category></item><item><title>Nylon Packaging Film: BOPA and Cast PA Explained</title><link>https://alcoapack.com/materials/nylon-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/nylon-film/</guid><description>Nylon packaging film gives puncture and flex-crack resistance with moderate oxygen barrier. See BOPA vs cast PA, humidity effects, uses and structures.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>nylon film</category><category>barrier film</category><category>pouches</category></item><item><title>OPS Shrink Film: Oriented Polystyrene Shrink Sleeves</title><link>https://alcoapack.com/materials/ops-shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/ops-shrink-film/</guid><description>OPS shrink film is oriented polystyrene used mainly for shrink sleeve labels. See its properties, trade-offs vs PETG and PVC, recycling and storage.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>packaging film</category><category>sustainability</category></item><item><title>Oxygen Barrier Packaging: Choosing the Right Level of Protection</title><link>https://alcoapack.com/performance/oxygen-barrier/</link><guid isPermaLink="true">https://alcoapack.com/performance/oxygen-barrier/</guid><description>Oxygen barrier packaging should match what the product can tolerate. Learn how to size protection, use nitrogen flushing and scavengers, and validate shelf life.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>barrier film</category><category>oxygen barrier</category><category>shelf life</category></item><item><title>Oxygen Transmission Rate (OTR): Units, Test Methods and How to Read It</title><link>https://alcoapack.com/performance/otr/</link><guid isPermaLink="true">https://alcoapack.com/performance/otr/</guid><description>Oxygen transmission rate (OTR) measures how much oxygen passes through a film. Learn the units, test methods, conditions and how OTR relates to shelf life.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>barrier film</category><category>testing</category><category>oxygen barrier</category></item><item><title>Packaging and Shelf Life: How Film Choice Affects It</title><link>https://alcoapack.com/performance/shelf-life/</link><guid isPermaLink="true">https://alcoapack.com/performance/shelf-life/</guid><description>Packaging film shelf life depends on oxygen, moisture, light and seal integrity. Learn the failure modes, real-time vs accelerated tests and a study checklist.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>testing</category><category>barrier film</category><category>shelf life</category></item><item><title>Packaging EPR: How Extended Producer Responsibility Works</title><link>https://alcoapack.com/regulations/packaging-epr/</link><guid isPermaLink="true">https://alcoapack.com/regulations/packaging-epr/</guid><description>Packaging EPR makes producers pay for the collection and recycling of their packaging; here is how schemes, fees and reporting work in the EU and US.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Regulations</category><category>regulations</category><category>epr</category><category>sustainability</category></item><item><title>Packaging Film Coefficient of Friction (COF): Testing and Targets</title><link>https://alcoapack.com/performance/coefficient-of-friction/</link><guid isPermaLink="true">https://alcoapack.com/performance/coefficient-of-friction/</guid><description>Packaging film coefficient of friction explained: static vs kinetic COF, ASTM D1894 testing, slip additive migration and how to set COF targets for your machine.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>testing</category><category>machine compatibility</category><category>vffs</category></item><item><title>Packaging Film Thickness: Microns, Gauge and Mils Explained</title><link>https://alcoapack.com/performance/film-thickness/</link><guid isPermaLink="true">https://alcoapack.com/performance/film-thickness/</guid><description>Packaging film thickness explained: microns, gauge and mils, how to convert between them, how thickness is measured and what downgauging does to a pack.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>testing</category><category>packaging film</category><category>yield</category></item><item><title>Packaging Film Types: A Practical Guide to Common Polymer Films</title><link>https://alcoapack.com/materials/packaging-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/packaging-film/</guid><description>Packaging film types differ by polymer: PE, CPP, BOPP, BOPET, nylon, EVOH, PVC, PETG, POF and metallized film. See what each does and where it fits.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>packaging film</category><category>flexible packaging</category><category>polymers</category></item><item><title>Packaging Seal Strength: Testing and Specifying Seals</title><link>https://alcoapack.com/performance/seal-strength/</link><guid isPermaLink="true">https://alcoapack.com/performance/seal-strength/</guid><description>Packaging seal strength is how much force a heat seal resists before it opens. Learn ASTM F88 peel, burst and leak tests, failure modes and how to write a spec.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>sealing</category><category>testing</category><category>seal strength</category></item><item><title>Paper-Based Flexible Packaging: Barrier Coatings and Machinability</title><link>https://alcoapack.com/sustainability/paper-flexible-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/paper-flexible-packaging/</guid><description>Paper flexible packaging uses coated paper for pouches and wraps. See how barrier coatings, recyclability and machine behavior compare with plastic laminates.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>pouches</category><category>sealing</category></item><item><title>PCR Packaging: Using Recycled Content in Flexible Films</title><link>https://alcoapack.com/sustainability/pcr-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/pcr-packaging/</guid><description>PCR packaging uses post-consumer recycled resin in films. Learn how recycled content film is made, where it fits, and how to specify and verify claims.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>recycling</category><category>pcr</category></item><item><title>Pet Food Packaging Film: Structures, Formats and Machines</title><link>https://alcoapack.com/applications/pet-food-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/pet-food-packaging/</guid><description>Pet food packaging film explained: structures for dry kibble, wet food and treats, grease and puncture needs, bag formats, machines and recyclable options.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>pet food packaging</category><category>barrier film</category><category>pouches</category><category>sustainability</category></item><item><title>PET Packaging Film: BOPET Properties, Grades and Applications</title><link>https://alcoapack.com/materials/pet-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pet-film/</guid><description>PET packaging film explained: BOPET properties, treated, coated and metallized grades, why it is the printable outer web in laminates, and PET vs BOPP.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pet film</category><category>packaging film</category><category>barrier film</category></item><item><title>PET vs BOPP Film: Which Outer Web Fits Your Pack?</title><link>https://alcoapack.com/materials/pet-vs-bopp-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pet-vs-bopp-film/</guid><description>PET vs BOPP film compared on barrier, heat resistance, stiffness, print, sealing, recyclability and cost, with guidance on which outer web fits your pack.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pet film</category><category>bopp film</category><category>packaging film</category></item><item><title>PETG Shrink Film: Shrink Sleeves, Properties and Uses</title><link>https://alcoapack.com/materials/petg-shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/petg-shrink-film/</guid><description>PETG shrink film is a high-shrink, transverse-oriented film used for sleeve labels on bottles and contoured containers. See properties, uses and recycling.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>petg</category><category>sleeve labels</category><category>sustainability</category></item><item><title>PETG vs OPS Shrink Film: Choosing a Shrink Sleeve Material</title><link>https://alcoapack.com/materials/petg-vs-ops-shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/petg-vs-ops-shrink-film/</guid><description>PETG vs OPS shrink film compared on shrink, toughness, stiffness, print, recycling and storage, with advice on choosing a shrink sleeve material.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>petg</category><category>sleeve labels</category></item><item><title>Pharmaceutical Blister Packaging: Forming Films, Lidding and Barrier</title><link>https://alcoapack.com/applications/pharmaceutical-packaging/blister-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/pharmaceutical-packaging/blister-packaging/</guid><description>Pharmaceutical blister packaging pairs a forming film with a foil lid. Compare PVC, PVDC, PCTFE, PP and alu-alu for moisture barrier, machines and child resistance.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>pharmaceutical packaging</category><category>blister</category><category>barrier film</category><category>sealing</category></item><item><title>Pharmaceutical Flow Wrap: Wrapping Blisters, Devices and Kits</title><link>https://alcoapack.com/applications/pharmaceutical-packaging/flow-wrap/</link><guid isPermaLink="true">https://alcoapack.com/applications/pharmaceutical-packaging/flow-wrap/</guid><description>Pharmaceutical flow wrap seals blisters, devices and kits in a film pillow pack. Review barrier overwraps, peelable films, clean-room machines, coding and film choices.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>pharmaceutical packaging</category><category>flow wrap</category><category>sealing</category></item><item><title>Pharmaceutical Packaging Foil: Types and How to Select Them</title><link>https://alcoapack.com/applications/pharmaceutical-packaging/pharma-foil/</link><guid isPermaLink="true">https://alcoapack.com/applications/pharmaceutical-packaging/pharma-foil/</guid><description>Pharmaceutical packaging foil covers lidding, cold-form, strip pack and sachet laminates. See the types, key properties and how to choose between them.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>pharmaceutical packaging</category><category>aluminum foil</category><category>laminates</category></item><item><title>Pillow Bag Packaging: The Basic Form Fill Seal Bag</title><link>https://alcoapack.com/formats/pillow-bag/</link><guid isPermaLink="true">https://alcoapack.com/formats/pillow-bag/</guid><description>Pillow bag packaging is the simplest bag made on a vertical form fill seal machine: one back seal, two end seals, and a pillow-shaped pack.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>vffs</category><category>snack packaging</category></item><item><title>POF Shrink Film: Polyolefin Shrink Wrap Explained</title><link>https://alcoapack.com/materials/pof-shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pof-shrink-film/</guid><description>Polyolefin shrink film (POF) is a coextruded, biaxially oriented chlorine-free wrap. Learn cross-linked vs non-cross-linked grades, machines and POF vs PVC.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>pof</category><category>packaging film</category></item><item><title>Polyethylene (PE) Packaging Film: LDPE, LLDPE, HDPE and mLLDPE</title><link>https://alcoapack.com/materials/pe-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pe-film/</guid><description>Polyethylene packaging film explained: how LDPE, LLDPE, mLLDPE and HDPE differ, sealing and COF checks, and how to specify a grade.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pe film</category><category>sealing</category><category>packaging film</category></item><item><title>Polypropylene Packaging Film: BOPP, CPP and Blown PP Compared</title><link>https://alcoapack.com/materials/pp-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pp-film/</guid><description>Polypropylene packaging film explained: PP resin types, and how BOPP, CPP and blown PP films differ in properties, sealing and place in a structure.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>pp film</category><category>packaging film</category><category>mono-material</category></item><item><title>PPWR Recyclability Requirements: Design for Recycling Grades Explained</title><link>https://alcoapack.com/regulations/ppwr-recyclability/</link><guid isPermaLink="true">https://alcoapack.com/regulations/ppwr-recyclability/</guid><description>PPWR recyclability rules require recyclable EU packaging, with performance grades and criteria still to be set. See dates and design steps for flexible packaging.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Regulations</category><category>regulations</category><category>ppwr</category><category>recycling</category><category>sustainability</category></item><item><title>Premade Pouch Packaging Materials: What Pouch Machines Need</title><link>https://alcoapack.com/machine-compatibility/premade-pouch-materials/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/premade-pouch-materials/</guid><description>Premade pouch packaging materials explained: tolerances, stiffness, sealants, zippers and the specs pouch machines need to open, fill and seal reliably.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>pouches</category><category>machine compatibility</category><category>sealing</category></item><item><title>Puncture Resistant Film: Materials and Test Methods</title><link>https://alcoapack.com/performance/puncture-resistance/</link><guid isPermaLink="true">https://alcoapack.com/performance/puncture-resistance/</guid><description>Puncture resistant film explained: how puncture is tested (ASTM F1306, D1709), which materials help with sharp products, and how to specify and trial it.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>testing</category><category>barrier film</category><category>pouches</category></item><item><title>PVC Shrink Film: Properties, Applications and Limitations</title><link>https://alcoapack.com/materials/pvc-shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pvc-shrink-film/</guid><description>PVC shrink film for sleeves and overwraps: assess heated-process controls, grade-specific seals, cold handling and replacement trials against POF or PETG.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>pvc</category><category>packaging film</category></item><item><title>PVC vs PETG Shrink Film: Clarity, Shrink and Recycling Compared</title><link>https://alcoapack.com/materials/pvc-vs-petg-shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/pvc-vs-petg-shrink-film/</guid><description>PVC vs PETG shrink film compared on clarity, shrink behavior, sealing, cold handling, recycling and cost, with guidance on which sleeve film to choose.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>pvc</category><category>petg</category></item><item><title>Quad Seal Bag: Four Corner Seals and When to Use Them</title><link>https://alcoapack.com/formats/quad-seal-bag/</link><guid isPermaLink="true">https://alcoapack.com/formats/quad-seal-bag/</guid><description>A quad seal bag has four vertical corner seals that give a squared, stable shape. Learn how it is made, where it is used and how it compares to side gusset.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>formats</category><category>vffs</category></item><item><title>Recyclable Flexible Packaging: What Makes a Pouch Recyclable</title><link>https://alcoapack.com/sustainability/recyclable-flexible-packaging/</link><guid isPermaLink="true">https://alcoapack.com/sustainability/recyclable-flexible-packaging/</guid><description>Recyclable flexible packaging explained: design factors, collection reality, verification protocols, claim rules and a checklist for converting a laminate.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Sustainability</category><category>sustainability</category><category>recycling</category><category>pouches</category></item><item><title>Retort Pouch: Structures, Processing and Uses</title><link>https://alcoapack.com/formats/retort-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/retort-pouch/</guid><description>A retort pouch is a filled, sealed flexible pack sterilized in a retort. Learn the structures, seal integrity needs, regulations and typical uses.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>retort</category><category>barrier film</category><category>formats</category></item><item><title>Rollstock Packaging: Specifying Film on the Roll</title><link>https://alcoapack.com/flexible-packaging/rollstock/</link><guid isPermaLink="true">https://alcoapack.com/flexible-packaging/rollstock/</guid><description>Rollstock packaging is printed film supplied on reels and formed into packs on your line. Learn which machines use it and what a roll spec must include.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Flexible Packaging</category><category>rollstock</category><category>vffs</category><category>flexible packaging</category></item><item><title>Rollstock vs Premade Pouches: Which Is Right for Your Line?</title><link>https://alcoapack.com/formats/rollstock-vs-premade-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/rollstock-vs-premade-pouch/</guid><description>Rollstock vs premade pouch compared on material cost, inventory, changeovers, pack quality and features, with a checklist to pick the right supply route.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>rollstock</category><category>pouches</category><category>formats</category></item><item><title>Sachet Film: Choosing Packaging Film for Sachet Machines</title><link>https://alcoapack.com/machine-compatibility/sachet-film/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/sachet-film/</guid><description>Sachet packaging film runs on 3-side and 4-side seal machines. Compare structures, sealing, tear notches and fixes for leaks and seal-through-contamination.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>sachet</category><category>machine compatibility</category><category>sealing</category><category>pouches</category></item><item><title>Sachet Packaging: Types, Materials and Uses</title><link>https://alcoapack.com/formats/sachet/</link><guid isPermaLink="true">https://alcoapack.com/formats/sachet/</guid><description>Sachet packaging is a small flat pouch sealed on three or four sides for single doses. Learn the types, typical materials, uses and how it differs from a stick pack.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>sachet</category><category>formats</category><category>pouches</category></item><item><title>Seal Initiation Temperature (SIT): What It Is and How It&apos;s Measured</title><link>https://alcoapack.com/performance/seal-initiation-temperature/</link><guid isPermaLink="true">https://alcoapack.com/performance/seal-initiation-temperature/</guid><description>Seal initiation temperature is the lowest sealing temperature at which a heat seal reaches a defined minimum strength. Learn how SIT is measured and used.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>sealing</category><category>testing</category><category>sealant</category></item><item><title>Shrink Film: Types, Properties and How to Choose</title><link>https://alcoapack.com/materials/shrink-film/</link><guid isPermaLink="true">https://alcoapack.com/materials/shrink-film/</guid><description>Shrink film is an oriented plastic film that tightens around a product when heated. Compare PVC, PETG, POF and PE types and learn how to choose.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Materials</category><category>shrink film</category><category>packaging film</category><category>machine compatibility</category></item><item><title>Shrink Wrap Packaging: Overwraps, Bundles and Sleeves</title><link>https://alcoapack.com/formats/shrink-wrap/</link><guid isPermaLink="true">https://alcoapack.com/formats/shrink-wrap/</guid><description>Shrink wrap packaging uses heat-shrinkable film to wrap a product or group of products tightly; here are the main formats and what each suits.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>shrink film</category><category>formats</category><category>packaging formats</category></item><item><title>Shrink Wrapping Film: Matching Film to Shrink Wrapping Machines</title><link>https://alcoapack.com/machine-compatibility/shrink-wrapping-film/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/shrink-wrapping-film/</guid><description>Shrink wrapping film must suit the sealer and tunnel. See which films fit L-sealers, side sealers and bundlers, seal methods and how to fix common defects.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>shrink film</category><category>machine compatibility</category><category>sealing</category></item><item><title>Side Gusset Pouch: Structure, Uses and Features</title><link>https://alcoapack.com/formats/side-gusset-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/side-gusset-pouch/</guid><description>A side gusset pouch has fold-in side panels that expand when filled. Learn back seal options, uses, tin ties, valves and how it compares to flat bottom.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>formats</category><category>vffs</category></item><item><title>Snack Packaging Film: Structures, Formats and Machines</title><link>https://alcoapack.com/applications/snack-packaging/</link><guid isPermaLink="true">https://alcoapack.com/applications/snack-packaging/</guid><description>Snack packaging film explained: typical BOPP and PET structures, barrier needs, nitrogen flushing, bag formats and the machines that run them.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Applications</category><category>snack packaging</category><category>barrier film</category><category>vffs</category><category>pouches</category></item><item><title>Spouted Pouch: Spout Types, Materials and Filling</title><link>https://alcoapack.com/formats/spouted-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/spouted-pouch/</guid><description>A spouted pouch is a flexible pouch with a plastic spout fitment for pouring or squeezing. Compare spout and cap types, structures, filling and recycling.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>formats</category><category>sealing</category></item><item><title>Stand-Up Pouch: Types, Materials and Features</title><link>https://alcoapack.com/formats/stand-up-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/stand-up-pouch/</guid><description>A stand up pouch has a bottom gusset that lets it stand on shelf. Learn gusset styles, closures, laminate structures and filling considerations.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>formats</category><category>laminates</category><category>sealing</category></item><item><title>Stick Pack Film: Materials and Machine Requirements for Stick Packs</title><link>https://alcoapack.com/machine-compatibility/stick-pack-film/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/stick-pack-film/</guid><description>Stick pack film is narrow laminate rollstock formed into slim tubes. See structures, sealing, lane slitting, tear notches, COF and machine checks.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>stick pack</category><category>machine compatibility</category><category>sealing</category><category>pouches</category></item><item><title>Stick Pack Packaging: Format, Materials and Uses</title><link>https://alcoapack.com/formats/stick-pack/</link><guid isPermaLink="true">https://alcoapack.com/formats/stick-pack/</guid><description>Stick pack packaging is a narrow single-dose tube with a fin or lap seal and two end seals. See uses, why brands pick it, opening features and how it compares.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>stick pack</category><category>formats</category><category>pouches</category></item><item><title>Types of Flexible Packaging: Formats, Materials and Constructions</title><link>https://alcoapack.com/flexible-packaging/types/</link><guid isPermaLink="true">https://alcoapack.com/flexible-packaging/types/</guid><description>Types of flexible packaging can be sorted by format, material family or construction. Use this guide to match each type to products and narrow your choice.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Flexible Packaging</category><category>flexible packaging</category><category>pouches</category><category>laminates</category></item><item><title>Vacuum Pouch Packaging: Materials and How It Works</title><link>https://alcoapack.com/formats/vacuum-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/vacuum-pouch/</guid><description>Vacuum packaging pouch guide: nylon/PE structures, chamber vs thermoform-fill-seal machines, puncture resistance, barrier needs and how to specify.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>barrier film</category><category>vacuum packaging</category></item><item><title>VFFS Packaging Film: Materials, Sealing and Machine Compatibility Guide</title><link>https://alcoapack.com/machine-compatibility/vffs-film/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/vffs-film/</guid><description>VFFS film guide: common structures, thickness, barrier, sealing, COF, tracking and troubleshooting for vertical form fill seal machines and rollstock.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>vffs</category><category>machine compatibility</category><category>sealing</category><category>pouches</category></item><item><title>VFFS vs Premade Pouch Packaging: Comparing the Two Machine Types</title><link>https://alcoapack.com/machine-compatibility/vffs-vs-premade-pouch/</link><guid isPermaLink="true">https://alcoapack.com/machine-compatibility/vffs-vs-premade-pouch/</guid><description>VFFS vs premade pouch packaging compared on pack styles, speed, footprint, changeover, operator skill and the film or pouch each machine requires.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Machine Compatibility</category><category>vffs</category><category>pouches</category><category>machine compatibility</category></item><item><title>Water Vapor Transmission Rate (WVTR): Units, Test Methods and Interpretation</title><link>https://alcoapack.com/performance/wvtr/</link><guid isPermaLink="true">https://alcoapack.com/performance/wvtr/</guid><description>Water vapor transmission rate (WVTR) measures how much moisture passes through a film. Learn units, test conditions, ASTM F1249, E96 and how to read the number.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Performance</category><category>barrier film</category><category>testing</category><category>moisture barrier</category></item><item><title>When Cheaper Packaging Film Costs More on the Line</title><link>https://alcoapack.com/guides/when-cheaper-film-costs-more/</link><guid isPermaLink="true">https://alcoapack.com/guides/when-cheaper-film-costs-more/</guid><description>Compare cost per good finished pack, not price per kg, because a cheaper film can cost more through slow speeds, leakers and downtime.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Selection Guides</category><category>total cost</category><category>machinability</category><category>form fill seal</category></item><item><title>Zipper Pouch Packaging: Reclosable Features Compared</title><link>https://alcoapack.com/formats/zipper-pouch/</link><guid isPermaLink="true">https://alcoapack.com/formats/zipper-pouch/</guid><description>Zipper pouch packaging adds a reclosable feature to a bag. Compare press-to-close, slider and pocket zippers, how they are sealed, and recyclability.</description><pubDate>Fri, 02 Oct 2026 00:00:00 GMT</pubDate><category>Formats</category><category>pouches</category><category>closures</category><category>sealing</category></item></channel></rss>