Multilayer Technique: the addition of the plastic film was the first step to produce brick containers impermeable to liquids and warmth-sealable. While in the sixties, an aluminum foil began to be additional to your cardboard container to make certain superior security and extend the shelf life of the packaged product. https://ecofriendlywaterpackaging.blogspot.com/2025/06/tailored-for-tomorrow-sustainable.html