In the packaging industry, pre coated film is a widely used film to improve the surface gloss, protection, and durability of materials. The two common types of pre coating films on the market are BOPP (biaxially oriented polypropylene) pre coating film and PET (polyethylene terephthalate) pre coating film. Although both types of pre coated films provide similar protective and decorative functions, there are some significant differences in performance. This article…