Polyethylene Coating: A thin layer of polyethylene on each side gives toughness. The outer layer guards the look and printing, even though the internal layer functions for a sealant, creating the carton totally leakproof. This method enables the manufacture of long-lasting shelf products in a method exactly where Tetra Pak https://wateringabletoppak.blogspot.com/2024/12/the-green-revolution-in-packaging-gable.html