1. The protection film is inert to the surface of the material to be protected;
2. The protection film has good adhesion to the material to be protected, and the protection film does not rise and fall during material handling and processing;
3, the protection film has good weather resistance and stability of the holding force. 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, there is no residual glue remaining on the protected surface, and no shadow is left;
4, low crystal point.