Polyethylene Coating: A thin layer of polyethylene on either side supplies toughness. The outer layer shields the design and printing, while the inner layer acts for a sealant, making the carton completely leakproof. The main patents for foodstuff paperboard containers day again to the beginning of the final century. They https://leak-proofgabletopcartons.blogspot.com/2024/10/gabletop-pak-leading-charge-in.html