Nowadays, the demand for things is getting higher and higher, and the quality of natural life is getting better and better. Now it is able to use machinery to replace manual work, so the function of PE protection film is also becoming higher and higher, and there are many industries will be used, and more and more types, too. Only to choose their own PE protection film to play its advantage, and in the market is not said that the quality of PE protection film is very good, there are some small enterprise production technology will directly affect the quality of the product, so the selection of PE protection film should be very careful, then, the following is to let the small series heel.
I understand the following ways to test the quality of PE protective film.
1, the PE protection film has low crystal point, the fewer crystal dots, the higher the manufacturing level of the protective film, the better the quality of the protective film.
2. The protective film has good weatherability and sticky stability. It is not obvious after several days or long sticking stripping force. It is easy to remove. There is no residual glue on the protected surface and no shadow.
3. The PE protective film has good adhesion to the protected material. During the process of material handling and processing, the protective film will not become warped or shedding.
4. The PE protection film adhesive is inert and will not react with the surface of the sticky material.
5. Tensile strength, modulus of elasticity, elongation and so on.
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