Multilayer Process: the addition of a plastic movie was step one to make brick containers impermeable to liquids and warmth-sealable. While in the sixties, an aluminum foil started to be additional on the cardboard container to make certain much better safety and increase the shelf life of the packaged solution. https://artongabletop.sport.blog/2024/12/05/gabletop-pak-pioneering-the-future-of-sustainable-packaging-solutions/