Tungsten oxide may be used in the manufacturing of near-infrared shielding material, i.e., thermal insulation material. And this kind of thermal insulation material can be made into nano thermal insulation film with excellent physical properties such as waterproofing, weather resistance, aging resistance, and no communication interference. Also, it has high infrared shielding effect, high ultraviolet shielding performance, high visible light transmission and other optical properties. Besides, compared with other heat insulating film, it is safer and more durable with higher heat insulation.
Nano heat insulation film adopts nano fusion technology to achieve the integration of the base layer, dingal layer and protective layer. With ideal optical properties, the UV transmittance of the nano heat insulation film is 0.3% at room temperature, the transmittance in the infrared band is 7.0%, and the visible light transmittance is 72.6%. Compared with ordinary glass, the temperature difference of heat insulation is greater than 7°C. Moreover, it is non-toxic with longer lifespan.
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