Multilayer method: the addition of a plastic film was the first step to make brick containers impermeable to liquids and warmth-sealable. In the 1960s, an aluminum foil began to be extra to the cardboard container to make certain improved protection and extend the shelf lifetime of the packaged item. Gabletop https://gabletoppak.politics.blog/2024/12/05/gabletop-pak-revolutionizing-sustainable-packaging-solutions-for-a-greener-future/