BOPP packaging film is a kind of BOPP film classification.
With PET(polyethylene terephthalate) as the base material, single-side coated with high barrier PVDC(copolymer with vinylidene chloride as the main component) coated plastic film
Polyester film is made of polyethylene terephthalate as raw material, by extrusion process, and then by stretching film material.
Both are plastic, but the material is different, PE is polyethylene, OPP is polypropylene.