Multilayer method: the addition of a plastic film was the first step to produce brick containers impermeable to liquids and warmth-sealable. Inside the sixties, an aluminum foil started to be included for the cardboard container to guarantee far better defense and prolong the shelf life of the packaged item. Their https://ecofriendlypackagingwater.blogspot.com/2025/09/gable-carton-classic-design-modern-eco.html