What is OPP Bag

OPP is oriented polypropylene. “oriented” here refers to the production process. OPP orientation, stretching polypropylene, is one of the types of polypropylene (PP). We may simply understand OPP = BOPP. OPP bag is highly transparent in all kinds of the blown-film-made bags. It is widely used in the outer packaging of products. OPP bag [...]