Multilayer program: the addition of the plastic film was the first step to make brick containers impermeable to liquids and warmth-sealable. During the nineteen sixties, an aluminum foil began to be extra to the cardboard container to be certain better protection and lengthen the shelf lifetime of the packaged product. http://cartongabletop.car.blog/2024/10/05/the-future-of-beverages-water-in-gable-top-cartons/