Violet Tungsten Oxide Applied for Heat Insulating Window Film

Violet tungsten oxide for preparation of heat insulating window film is an important functional material in the field of heat insulation. The heat-insulating film of violet tungsten oxide nano particles can make the building glass window become an energy-saving window or a smart window, which is UV-resistant with long using life. Also, such energy-saving glass can ensure the transmission of visible light without delay.

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The application of heat insulation film to improve the safety and energy saving effect of common glass can be traced back to 1960. The original intention of developing thermal insulation film at that time was to control the imbalance of heating and cooling caused by solar load. In the early days, the thermal insulating film only had the function of reflecting solar radiation out of the glass window or absorbing heat to prevent the heat of the inner surface of glass from increasing. As a new type of environmentally-friendly and energy-saving building materials, tungsten oxide heat insulation film has a very high usage rate in foreign countries. With the promotion of market, thermal insulation glass film has gradually spread in China, among which thermal-insulation film of nano violet tungsten oxide particles are more and more popular.

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