Multilayer technique: the addition of a plastic film was the initial step to help make brick containers impermeable to liquids and warmth-sealable. While in the 1960s, an aluminum foil began to be extra for the cardboard container to make certain far better protection and prolong the shelf lifetime of the https://paperbottle.fashion.blog/2025/08/26/gable-top-containers-for-food-beverage-healthcare-packaging/