If you want to maximize the barrier properties of the packaging bag and isolate external oxygen, moisture, sunlight, etc., you can consider aluminum foil bags. The aluminum film does not come into contact with food, so the aluminium foil paper bag also meets the safety standards for food contact materials.
Common Specification of Aluminium Foil Laminated Paper Bags
Structure of Aluminum Foil Bags
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Outer Base Layer of Paper Bag Aluminium
The outer base layer of paper bag with aluminum foil mainly plays the role of aesthetics, printing and moisture barrier such as BOPP, PET.
Middle Barrier Layer of Aluminium Paper Foil Bags
The barrier layer mainly plays the role of barrier and light protection such as VMPET, AL, PA.
Technical Specification of 100 Microns PET/VMPET/PE Aluminum Foil Bag.
Supplier: Aluminum Foil Bags
Supplier: Coffee bag, stand up pouch, pouch, box pouch, flat bottom pouch, zipper pouch, two side sealed bag, three side sealed bag, gusset bag , quad bag, liquid packaging, aluminum foil film