Multilayer system: the addition of a plastic film was the first step to produce brick containers impermeable to liquids and heat-sealable. Inside the nineteen sixties, an aluminum foil began to be extra to your cardboard container to be certain better protection and extend the shelf lifetime of the packaged products. https://gablecarton.water.blog/2025/08/26/water-in-carton-eco-friendly-packaging-with-gable-top-pak/