Multilayer program: the addition of the plastic film was the initial step to create brick containers impermeable to liquids and warmth-sealable. Inside the 1960s, an aluminum foil started to be added into the cardboard container to make certain much better security and lengthen the shelf lifetime of the packaged product. https://ecofriendlysustainablewaterpackaging.blogspot.com/2025/03/recyclable-oil-packaging-gabletop-paks.html