Nano particle size violet tungsten oxide may be made into a new type of transparent thermal-insulating coating, which is applied as a window heat insulation film for architectural glass or automobile glass. And it has wide application prospects in energy conservation, heat insulation and heat preservation in the fields of buildings and automobiles.
It is well known that conventional glass can provide high light transmission. But their heat insulation and heat preservation performance are poor. The solar radiation has a wavelength distribution of 300-2500nm, of which the ultraviolet light accounts for 14%, the visible light accounts for 40%, and the infrared light accounts for 44%. According to experts, the thermal insulation coating of violet tungsten oxide nanopowder is a kind of dingal coating, which is applied to the surface of glass. It maintains a certain visible light transmittance and reduces the near-infrared rate. In other words, such nano material has good thermal insulation effect.
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