Polyethylene Coating: A Thin layer of polyethylene on each side delivers toughness. The outer layer safeguards the design and printing, whilst the interior layer functions as a sealant, making the carton totally leakproof. This process enables the production of long-lasting shelf items in a way in which Tetra Pak cartons https://waterintetrapak.fitness.blog/2025/06/09/sustainable-thinking-begins-with-gable-top-carton-manufacturers/