Multilayer procedure: the addition of a plastic movie was the first step for making brick containers impermeable to liquids and heat-sealable. During the nineteen sixties, an aluminum foil began to be included for the cardboard container to guarantee improved defense and lengthen the shelf lifetime of the packaged item. Their https://sustainableoilpackaging.blogspot.com/2024/10/advancing-sustainability-with-gable-top.html