What is the difference in product characteristics between PET release film and PET protective film? -Film supplier

The characteristics of PET protective film: PET protective film is a more comprehensive packaging film. It has good transparency and luster; it has good air tightness and fragrance retention, excellent mechanical properties, good strength, dimensional stability, heat resistance, cold resistance, chemical resistance, oil resistance, no glue residue, and no residue , Absorbability, stability PET release film characteristics: the film surface is smooth and clean, uniform coating, no wrinkles, tears, particles, bubbles, pinholes and other defects. The product has a small thickness tolerance, low thermal shrinkage, and good flexibility.