Multilayer procedure: the addition of a plastic film was step one to make brick containers impermeable to liquids and heat-sealable. Inside the sixties, an aluminum foil began to be included to your cardboard container to guarantee greater defense and extend the shelf lifetime of the packaged products. Gabletop Pak cartons https://dairycartonsustainability.fashion.blog/2025/10/09/gable-top-cartons-for-milk-water-and-beverages-recyclable-renewable-and-reliable/