As a transparent thermal insulation material, blue tungsten oxide nanopowder may be used for the preparation of transparent heat-insulating film, and therefore be used in building glass, such as skylight, glass window, glass door, glass curtain wall, and automotive glass, etc.
The reason why blue tungsten oxide can be used in these places is that blue tungsten oxide is a kind of photochromic material with high thermal insulation, high near-infrared and ultraviolet shielding characteristics in thermal insulation material. And therefore, it saves energy and makes people’s life more comfortable.
Composition of Blue Tungsten Oxide
The composition of blue tungsten oxide is somewhat different as researchers involved in the tungsten industry have different backgrounds. The production of industrial blue tungsten oxide, regardless of the process and equipment conditions, is composed of the following mixture: hexagonal tungsten bronze, WO3, β-tungsten oxide (W20O58, oxygen index of WO2.90), γ-tungsten oxide (W18O49, oxygen index of WO2.72) and amorphous phase (ATB).
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