Release film refers to a thin film with distinguishable surface, which does not have viscosity or slight viscosity when in contact with a specific material under limited conditions. The main functions of release film in FPC production include isolation, filling, protection, and easy peeling. Widely used in the processing of various products, such as electronic power and IT display screens. Mobile phones, LCD/PDA, medical, home appliance manufacturing, anti-counterfeiting materials, semiconductors, automobiles, nameplates, ceramic chip manufacturing, tape production, and die-cutting industries.