Multilayer procedure: the addition of a plastic movie was the first step to generate brick containers impermeable to liquids and heat-sealable. Inside the sixties, an aluminum foil began to be added on the cardboard container to be certain better protection and prolong the shelf life of the packaged merchandise. The https://wateringabletoppak.art.blog/2025/06/09/redefining-responsibility-gable-top-containers-lead-the-eco-packaging-evolution/