Multilayer procedure: the addition of the plastic movie was the initial step to generate brick containers impermeable to liquids and warmth-sealable. While in the nineteen sixties, an aluminum foil began to be extra to your cardboard container to guarantee greater defense and lengthen the shelf lifetime of the packaged product. https://dairycartonsustainability.water.blog/2025/06/09/innovating-sustainability-with-eco-friendly-packaging-for-water-and-beyond/