PP is the raw material of polypropylene scotch tape substrate, O means directional stretched polypropylene. O mainly refers to the scotch tape with high breaking strength in the production process of scotch tape. In fact, the transparent sealing glue is basically OPP tape.
1. BOPP is a biaxially oriented polypropylene. The full English name is Biaxial Oriented Polypropylene, which means that it is stretched in both longitudinal and transverse directions to greatly improve its performance.
2. OPP is uniaxially stretched polypropylene, the full English name is Oriented Polypropylene. OPP tape: a transparent tape with polypropylene film as the base material. It has the advantages of high tensile strength, light weight, non-toxic and odorless, environmental protection, and a wide range of applications.