Polyethylene Coating: A skinny layer of polyethylene on both sides delivers sturdiness. The outer layer shields the look and printing, whilst the internal layer functions for a sealant, producing the carton fully leakproof. The first patents for foods paperboard containers date again to the start of the last century. They https://share.evernote.com/note/c5252fab-4a7f-53e8-1966-299c5e8039ed