Multilayer method: the addition of the plastic movie was step one to generate brick containers impermeable to liquids and heat-sealable. Inside the 1960s, an aluminum foil began to be included to your cardboard container to guarantee greater safety and extend the shelf lifetime of the packaged product or service. This https://dairycartonpackaging.blogspot.com/2025/08/gable-top-carton-multi-layer-strength.html