Multilayer system: the addition of the plastic film was the first step to produce brick containers impermeable to liquids and heat-sealable. In the nineteen sixties, an aluminum foil began to be added for the cardboard container to ensure greater security and extend the shelf life of the packaged merchandise. Consequence https://gabletopmilkcarton.art.blog/2025/09/24/carton-bottle-shaping-the-future-of-responsible-packaging/