Applications
Frozen Food Packaging Film: Low-Temperature Toughness and Sealing
Frozen food packaging film explained: low-temperature toughness, puncture, freezer burn, sealing through frost, ventilated bags, formats and machines.
Tag
vffs
10 articles with this tag.
Performance
Hot Tack in Packaging Films: What It Is and Why It Matters
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.
Performance
Packaging Film Coefficient of Friction (COF): Testing and Targets
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.
Formats
Pillow Bag Packaging: The Basic Form Fill Seal Bag
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.
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.
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
Side Gusset Pouch: Structure, Uses and Features
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.
Applications
Snack Packaging Film: Structures, Formats and Machines
Snack packaging film explained: typical BOPP and PET structures, barrier needs, nitrogen flushing, bag formats and the machines that run them.
Machine Compatibility
VFFS Packaging Film: Materials, Sealing and Machine Compatibility Guide
VFFS film guide: common structures, thickness, barrier, sealing, COF, tracking and troubleshooting for vertical form fill seal machines and rollstock.
Machine Compatibility
VFFS vs Premade Pouch Packaging: Comparing the Two Machine Types
VFFS vs premade pouch packaging compared on pack styles, speed, footprint, changeover, operator skill and the film or pouch each machine requires.