Production principle and material classification of protective film
Production principle of protective film At present, with the popularization of digital products such as mobile phones in China, protective film has gradually become a general term for screen protective film. What is the production principle of protective film? 1. Principle of protective film adhesive (glue) The protective film is a viscoelastic polymer film: its adhesive layer can be in close contact with the surface of the adherend and flow into the substrate as much as possible. sticky surface...