With the popularization of high -temperature protection film and anti -static protective film, the PE protective film has also developed rapidly, especially the various purposes of the PE protective film greatly meet the needs of users. However, no matter how good the function is, if the PE protective film with poor quality is still useless. Therefore, the quality of the PE protective film needs to pay attention to the following five issues:
1. PE protective membrane crystal points should be low, the less crystal points, the higher the level of the protective film, the better the quality of the protective film.
2. The protective film has good weather resistance and stickiness stability. After several days or long -lasting peeling force, the growth is not significant.
3. The protective film has good adhesion performance for the protected materials. During the material handling and processing, the protective film will not be tilted and falling off.
4. The protective film adhesive is inert and does not chemically react with the surface of the adhesive material.
5. Anti -tension strength, elastic modulus, elongation rate, etc. that meet the requirements of the user.