NEW EVENT! Cutting-edge Trends for Every Industry at PACK EXPO Southeast
Discover packaging & processing solutions for all industries at the all-new PACK EXPO Southeast in Atlanta, GA, March 10-12, 2025

Presto Products: Contaminant-resistant zipper

The newest Fresh-Lock® zipper from Presto Products Co. (Appleton, WI) is the Style 140 contaminant-resistant zipper to help packaging of granular or powdery products.

Pw 21026 Thenew Fre 21

The zipper has male and female closures that channel particles outward and away from the zipper track. The zipper is a two-layer, coextruded LDPE with an EVA sealant and can be applied to a wide variety of packaging films at relatively low temperatures.

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New e-book on Flexible Packaging
In this e-book, you’ll learn key considerations for vertical and horizontal f/f/s and how to choose between premade bags and an f/f/s system. Plus, discover the pitfalls to avoid on bagging machinery projects.
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New e-book on Flexible Packaging
INTRODUCING! The Latest Trends for All Industries at PACK EXPO Southeast
The exciting new PACK EXPO Southeast 2025 unites all vertical markets in one dynamic hub, generating more innovative answers to your production challenges. Don’t miss this extraordinary opportunity for your business!
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INTRODUCING! The Latest Trends for All Industries at PACK EXPO Southeast