Polyethylene Coating: A thin layer of polyethylene on either side delivers toughness. The outer layer protects the look and printing, while the internal layer acts being a sealant, creating the carton entirely leakproof. This method enables the production of long lasting shelf merchandise in a way wherever Tetra Pak cartons https://share.evernote.com/note/eefb04cf-e34e-6643-52ba-14e9797726a6