Multilayer technique: the addition of the plastic film was the first step for making brick containers impermeable to liquids and warmth-sealable. Within the sixties, an aluminum foil started to be extra to the cardboard container to make certain improved safety and lengthen the shelf life of the packaged solution. End https://gablecarton.art.blog/2025/05/05/innovative-packaging-solutions-for-dairy-products-brand-identity-with-gable-top-cartons/