Multilayer system: the addition of the plastic movie was step one to produce brick containers impermeable to liquids and heat-sealable. Inside the nineteen sixties, an aluminum foil began to be added towards the cardboard container to guarantee better safety and lengthen the shelf lifetime of the packaged product or service. http://cartongabletop.car.blog/2025/08/26/gable-top-box-durable-functional-carton-packaging-innovation/