High Barrier Moisture Oxygen Bag

High Barrier Bag for Moisture and Oxygen Protection – Functional Process Packaging Bags The High Barrier Bag belongs to the Functional Process Packaging Bags category. This bag is different from the Zipper Bag and the Vacuum Bag in the same category. The Zipper Bag focuses on resealability for multiple uses. The Vacuum Bag requires air removal before sealing. The High Barrier Bag uses special barrier materials to block moisture and oxygen. The barrier material can be aluminum foil, EVOH, PVDC, or other high barrier coatings. These materials are added to the bag structure during lamination. The bag is made from multiple layers. A typical structure includes an outer layer for strength and printing, a middle barrier layer, and an inner seal layer. The barrier layer is the key part. It stops water vapor and oxygen from passing through the bag. The bag can be made in many forms including stand up pouches, three side seal bags, four side seal bags, and flat pouches. The bag is heat sealable…