Polyethylene Coating: A skinny layer of polyethylene on both sides presents toughness. The outer layer guards the design and printing, although the internal layer acts as a sealant, creating the carton wholly leakproof. This technique enables the creation of long-lasting shelf goods in a means where by Tetra Pak cartons https://gabletopcartons.school.blog/2025/04/09/eco-conscious-innovation-with-water-in-carton-packaging/