Multilayer System: the addition of the plastic movie was the first step for making brick containers impermeable to liquids and warmth-sealable. Within the 1960s, an aluminum foil began to be added towards the cardboard container to ensure better protection and increase the shelf life of the packaged products. Their light-weight https://gabletopcartonsforjuice.blogspot.com/2025/10/eco-friendly-liquid-packaging-gable-top.html