Multilayer process: the addition of the plastic movie was the initial step to generate brick containers impermeable to liquids and heat-sealable. During the sixties, an aluminum foil started to be included to the cardboard container to be sure better defense and increase the shelf lifetime of the packaged products. This https://gablecarton.water.blog/2024/10/05/embracing-innovation-water-in-gable-top-packaging/