1. The protective film is inert to the surface of the material to be protected;
2. The protective film has good adhesion to the material to be protected, and the protective film does not rise and fall during material handling and processing;
3. The protective film has good weather resistance and stability of holding adhesive. After several days or a long time, the peeling force is not significantly increased, and it is easy to remove. When the film is removed, no residual glue remains on the protected surface, and no shadow is left.
4, low crystal point.