Tungsten Oxide Powder Applied for Heat-insulation Glass Coating

Tungsten oxide powder may be used to prepare is a new type of functional nano coating - a transparent heat-insulation glass coating. Such environmentally friendly coating is one of many functional coatings such as heat-insulating coating, anti-infrared coating, anti-UV coating, anti-aging coating, blue light proof coating, anti-static coating, anti-sticking coating, anti-radiation coating, anti-bacterial coating, anti-corrosion coating, and so on.

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According to experts, it is the development of nanotechnology than enables the tungsten trioxide nanoparticles to be stably and uniformly distributed in the solvent and the carrier, so the unique physical and chemical properties of the WO3 nano material can be exerted, and the adhesion strength and hardness of the coating can be improved. Therefore, the obtained transparent heat insulating coating of nano tungsten trioxide particles has good optical characteristics: visible light transmittance is more than 70%, near infrared ray shielding ratio is more than 90%, and ultraviolet light shielding rate is greater than 99%. In addition, the application of such thermal insulation coating to architectural glass can also increase privacy, reduce glare and improve comfort. This is why tungsten trioxide heat insulation films are becoming more and more popular in the world.

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