All Articles — Page 10 | Flexible Packaging Atlas

Vacuum-packed meat and cheese in clear pouches on a steel table

Formats

Vacuum Pouch Packaging: Materials and How It Works

Vacuum packaging pouch guide: nylon/PE structures, chamber vs thermoform-fill-seal machines, puncture resistance, barrier needs and how to specify.

Forming collar of a vertical form fill seal machine with film wrapping the fill tube

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.

A VFFS machine and a rotary premade pouch filler in the same packaging hall

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.

Water vapor transmission test cups with film samples on an analytical balance

Performance

Water Vapor Transmission Rate (WVTR): Units, Test Methods and Interpretation

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.

Operator clearing jammed film from a packaging machine next to a scrap bin

Selection Guides

When Cheaper Packaging Film Costs More on the Line

Compare cost per good finished pack, not price per kg, because a cheaper film can cost more through slow speeds, leakers and downtime.

Several resealable zipper pouches on a light table

Formats

Zipper Pouch Packaging: Reclosable Features Compared

Zipper pouch packaging adds a reclosable feature to a bag. Compare press-to-close, slider and pocket zippers, how they are sealed, and recyclability.