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PET protective film manufacturer, Dongguan mobile phone protective film wholesale, professional three-layer PET protective film supply, screen protective film production, industrial protective film

by:YoukingTech     2021-11-15
When we are purchasing PET protective film, a word often mentioned by customer service staff is thickness, so what is the thickness of the PET protective film? The thickness of PET protective film is generally measured in millimeters, but most people habitually call 'silk' or 'C'. Of course, their conversions are equal. 0.01mmu003d1 wireu003d1C. Protective film wholesale     common thickness specifications The common thickness specifications of protective film wholesale on the market are between 3-6 filaments. Among them, 4,5 filaments are the best-selling thickness. There are reasons why this is said. The lowest is 3 filaments, and the highest thickness is 15 filaments. The influence of thickness on film quality    1. The thicker the thickness, the more difficult it is to control the uniformity of the film surface. Protective film wholesale At present, the production of protective film is roughly blown or cast. These two methods are difficult to control the uniformity of the surface when the thickness of the protective film is particularly thick. Especially in the production method of casting, the thickness of the protective film wholesale at the drop point is thicker than other places (the principle is like a waterfall, and the drop point under the waterfall must be the thickest). 2. The thicker the thickness, the more difficult it is to blow the film. 3. The thicker the thickness, the harder it is to rewind.
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