Multilayer technique: the addition of a plastic film was the first step to generate brick containers impermeable to liquids and heat-sealable. Inside the sixties, an aluminum foil started to be extra towards the cardboard container to be certain improved protection and increase the shelf life of the packaged merchandise. Now https://sustainableoilpackagings.blogspot.com/2024/10/gabletop-pak-leading-charge-in.html