Multilayer Procedure: the addition of the plastic movie was step one to produce brick containers impermeable to liquids and heat-sealable. From the sixties, an aluminum foil began to be included into the cardboard container to ensure greater security and lengthen the shelf lifetime of the packaged product or service. End https://ecofriendlysustainablewaterpackaging.blogspot.com/2025/03/water-in-carton-gabletop-paks-vision.html