High Barrier Film for Resealable Pouches
Sep 22,2026 | FOSHAN CAILONG METALLIC PACKAGING MATERIAL CO.,LTD
High Barrier Film can protect a resealable pouch panel, but the zipper and its seal transition may become the main path for oxygen or moisture. Repeated opening also changes the package from its original sealed condition.
A Metallized Film Supplier needs the laminate, zipper type, pouch geometry, barrier target and storage conditions. Cailong publishes grade-specific information for VPET-GZ, while closure performance must be verified in the final pouch.
Map the Closure Area
Inspect the zipper ends, top seal and transition into the side seals. Record wrinkles, adhesive squeeze-out and channels that may not appear in a flat-film test.
Test Repeated Use
Define the number of opening and closing cycles, product contamination risk and consumer storage period. Measure leakage and product condition after cycling.
Approve the Finished Pouch
Compare flat laminate data with whole-package tests. Send Cailong the structure, closure drawing, cycle method and failed samples.
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