(1) Judging the number of crystal points, low and few crystal points, the quality of our PE protective film is good.
(2) By judging whether our PE protective film has good weather resistance and sticky stability, the basis of judgment is that it is easy to open after a few days. The most important thing is that no traces of glue are left on the surface. On the contrary, during our actual use, if we encounter the process of handling or processing, our PE protective film will not fall off.
(3) I silently judge whether the product meets our requirements, such as elongation, elasticity, and so on.https://www.pe-protectionfilm.com/