Multilayer process: the addition of the plastic movie was the first step to generate brick containers impermeable to liquids and heat-sealable. During the 1960s, an aluminum foil began to be additional into the cardboard container to be certain far better security and prolong the shelf lifetime of the packaged products. https://topcartons.movie.blog/2024/12/05/gabletop-pak-revolutionizing-sustainable-packaging-solutions-for-a-greener-future/