Tungsten Trioxide Applied for Car Heat Shielding Coating

Tungsten trioxide may be used to prepare a new type of car heat shielding coating. And such heat insulation coating is also a long-lasting hydrophilic anti-fog coating with self-cleaning performance.

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After coating on the surface of the automobile glass, a protective film of tungsten trioxide nano particles is formed. Although the visible light transmittance of the WO3 film is higher than 90%, it can effectively shield the transmission of solar heat, and the infrared shielding rate is higher than 90%. In other words, it does not let the sunlight heat the glass, and isolate most of the heat transfer, so as to effectively achieve the effect of heat insulation and heat preservation. Therefore, the new tungsten trioxide thermal insulation coating may be generally applied to automobile rearview mirrors, front glass and side window, so that their surface will be not covered by mist and fog, keeping the driving vision clear.

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