Multilayer technique: the addition of a plastic movie was step one for making brick containers impermeable to liquids and heat-sealable. Inside the sixties, an aluminum foil started to be added to your cardboard container to ensure much better security and extend the shelf life of the packaged solution. Now we https://paperbottlemanufacturers.blogspot.com/2025/03/gable-top-carton-revolution-in.html