Multilayer method: the addition of a plastic movie was the first step to produce brick containers impermeable to liquids and warmth-sealable. In the nineteen sixties, an aluminum foil began to be added for the cardboard container to ensure greater protection and extend the shelf lifetime of the packaged products. Result https://gabletopcontainers.news.blog/2025/01/09/gabletop-pak-leading-the-way-in-sustainable-packaging-solutions/