Nano tungsten trioxide may be used to prepare a transparent heat-insulation glass coating, which is hydrophilic and anti-fog with long service life. Such new dingal nano coating has a hydrophilic self-cleaning ding, so the surface of the architectural glass that has been sprayed with such coating is not easily stained with dirt or dust. Moreover, the architectural glass is excellent in anti-fog performance, and the surface is difficult to form a droplet even when it contacts hot and humid air. Further, the formed heat-insulating film is excellent in adhesion so that it is not easily foamed and not easily peeled off. In addition, the excellent weather resistance makes the anti-fog performance of the glass lasting, and the life span is as long as several decades.
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This is because the tungsten trioxide thermal insulation coating also has a hydrophilic property, which allows the water droplets to become a water curtain and prevent the formation of droplets without affecting the transparency of the substrate. Certainly, except the good anti-fog and self-cleaning ding, the hardness and wear resistance of the tungsten trioxide coating are also significantly improved. Therefore, more and more glass surfaces such as bathroom window glass, shower room window glass and automobile window glass will use tungsten trioxide thermal insulation coating.
