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When the surface of the PET film is rubbed, or the film roll is peeled off, or the film is running at high speed, static electricity will be generated. If there is dust, paper scraps, hair, etc. near the film at this time, it may be adsorbed, which affects the quality of the product film (especially the capacitor film). When the static electricity is serious, it may also cause fires, electricians and other accidents. Known polyester The static electricity of the film is too large, which will have a bad effect on the subsequent processing and processed products. For example, the static electricity size of the bonded PET film can be set at about 500v with an electrostatic tester. The measurement shows that the static electricity size of the two sides of the film is also different. Analysis: PET film is a polar electrical insulating material, which makes it impossible to transfer the charges generated by friction, shearing, etc., and accumulates on its surface to form static electricity. The size of the static electricity of the PET film and the electrical properties of the resin body. Additive Application. And the film making process. Because they directly affect the structure and performance of the film surface/surface, such as the crystallinity of the surface layer, the number of polar groups and their orientation, the size of the contact area between the two films, and other factors that affect the formation of static electricity. Based on this, it can also explain why the static electricity on the two sides of the film are different. It is a company specializing in the production of PET films with multiple functions, such as: transparent PET film, milky white PET film, release PET film, PET motor film, etc. There are many kinds of products, Affordable prices, technology and environmental protection, we are based on the service tenet of excellence in production, honesty and trustworthiness in distribution, warm and thoughtful service, and the spirit of assisting partners to achieve their own careers, and provide customers with excellent quality and service. Interested parties welcome to inquire !