Pyramid Flexible Packaging: Zippered retort pouch

A zippered retort pouch called Zip’n Store™ from Pyramid Flexible Packaging (La Habra, CA) is designed as a flexible alternative to canned product. In the past, retort pouches could not incorporate zippers because the PE zipper material available was unable to withstand the high temperatures and pressure of the retort process, company says.

Pw 16220 Pyramid

Zip’n Store will not melt during retort processing and prevents food and liquid migration through the zipper. Pouches are available in 3-side seal (bottom fill) and stand-up style for top-filling. Zippers are constructed of a special resin engineered by Pyramid.

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