Multilayer technique: the addition of the plastic film was step one to generate brick containers impermeable to liquids and warmth-sealable. Within the nineteen sixties, an aluminum foil began to be additional to your cardboard container to make certain much better defense and prolong the shelf lifetime of the packaged merchandise. https://sustainablewaterpackaging.car.blog/2024/09/12/gabletop-pak-the-ultimate-solution-for-beverage-packaging/