Materials
Polypropylene Packaging Film: BOPP, CPP and Blown PP Compared
Polypropylene packaging film explained: PP resin types, and how BOPP, CPP and blown PP films differ in properties, sealing and place in a structure.
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Regulations
PPWR Recyclability Requirements: Design for Recycling Grades Explained
PPWR recyclability rules require recyclable EU packaging, with performance grades and criteria still to be set. See dates and design steps for flexible packaging.
Machine Compatibility
Premade Pouch Packaging Materials: What Pouch Machines Need
Premade pouch packaging materials explained: tolerances, stiffness, sealants, zippers and the specs pouch machines need to open, fill and seal reliably.
Performance
Puncture Resistant Film: Materials and Test Methods
Puncture resistant film explained: how puncture is tested (ASTM F1306, D1709), which materials help with sharp products, and how to specify and trial it.
Materials
PVC Shrink Film: Properties, Applications and Limitations
PVC shrink film for sleeves and overwraps: assess heated-process controls, grade-specific seals, cold handling and replacement trials against POF or PETG.
Materials
PVC vs PETG Shrink Film: Clarity, Shrink and Recycling Compared
PVC vs PETG shrink film compared on clarity, shrink behavior, sealing, cold handling, recycling and cost, with guidance on which sleeve film to choose.
Formats
Quad Seal Bag: Four Corner Seals and When to Use Them
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.
Sustainability
Recyclable Flexible Packaging: What Makes a Pouch Recyclable
Recyclable flexible packaging explained: design factors, collection reality, verification protocols, claim rules and a checklist for converting a laminate.
Formats
Retort Pouch: Structures, Processing and Uses
A retort pouch is a filled, sealed flexible pack sterilized in a retort. Learn the structures, seal integrity needs, regulations and typical uses.
Flexible Packaging
Rollstock Packaging: Specifying Film on the Roll
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.
Formats
Rollstock vs Premade Pouches: Which Is Right for Your Line?
Rollstock vs premade pouch compared on material cost, inventory, changeovers, pack quality and features, with a checklist to pick the right supply route.
Machine Compatibility
Sachet Film: Choosing Packaging Film for Sachet Machines
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.