Product features: The substrate is relatively hard, the adhesive layer is thick, and it has good adhesion to the product. The single-layer PET protective film achieves bubble free winding, effectively solving the problems of uneven and circular printing on the surface of the PET protective film. The single-layer protective film is more convenient to use. Product structure: PET release layer+acrylic pressure-sensitive adhesive (can be used as anti-static)+PET substrate (can be used as anti-static) Scope of application: vacuum electroplating, ultra-high temperature tunnel furnace, oven high temperature baking, etc.