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1. Exhaust: Whether it is easy to stick when sticking the protective film, and whether it is quickly and automatically adsorbed. It should be noted that the silicone type protective stickers basically have an automatic exhaust function, that is to say, after you tear off the upper and lower release films and put them on a clean screen, it will be automatically attached without leaving bubbles. But the speed of its automatic attachment is inversely proportional to the set viscosity of the silicone, that is to say, the smaller the viscosity, the faster the exhaust speed, and the greater the viscosity, the slower the exhaust speed. 2. Static electricity: Because the liquid crystal display is a sensitive device that is afraid of static electricity, the smaller the static electricity when the protective film is attached, the better. It depends on whether the protective film will adsorb these things on the silica gel layer of the protective film and whether the degree of adsorption is strong. 3. Transmittance: The transmittance of the brightest material is the best protective film. Is a company specializing in the production of PET film with multiple functions, such as: transparent PET film, milky white PET film, release PET film, supply of PET motor film, etc. With a wide variety of products, affordable prices, and environmental protection, we provide customers with excellent quality and service based on the service tenet of excellence in production, honesty and trustworthiness in distribution, and warm and thoughtful service. Interested parties welcome to inquire!