Tungsten oxide may be applied for preparing infrared ultraviolet shielding material such as transparent heat insulation glass coating. This kind of thermal insulation coating is characterized in that it can shield most of the infrared light in the sunlight from entering the room under the premise of ensuring high light transmittance. So, in hot summer, the heat radiation entering into the room can be greatly reduced.
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Generally, compared with the building space without applying thermal-insulation coating, the room space after using heat insulating coating of nano particle size tungsten trioxide has a lower temperature of 3-7°C near the direct sunlight glass. In addition, such heat insulation coating has the characteristics of good adhesion, high hardness, and excellent water resistance, acid resistance, alkali resistance, temperature resistance, flame resistance, color uniformity, and ultraviolet aging resistance. Moreover, the surface of the coating film formed by the tungsten oxide coating is beautiful, non-foaming, non-flaking and crack-free without obvious discoloration.
