Multilayer Process: the addition of the plastic movie was the first step to generate brick containers impermeable to liquids and heat-sealable. In the 1960s, an aluminum foil started to be additional for the cardboard container to ensure greater security and prolong the shelf life of the packaged product or service. https://gabletoppak.wordpress.com/2025/07/06/sustainable-carton-water-with-your-brand-identity/