Multilayer procedure: the addition of a plastic film was the initial step to produce brick containers impermeable to liquids and warmth-sealable. Inside the sixties, an aluminum foil began to be added into the cardboard container to guarantee better safety and lengthen the shelf life of the packaged item. Having this https://ecofriendlypackagingwater.blogspot.com/2025/04/the-rise-of-eco-friendly-packaging.html