Multilayer system: the addition of the plastic movie was step one to create brick containers impermeable to liquids and heat-sealable. During the 1960s, an aluminum foil started to be included towards the cardboard container to make sure far better defense and extend the shelf life of the packaged product or https://gabletoppackaging.tech.blog/2025/02/07/gable-top-boxes-revolutionizing-sustainable-packaging/