Cesium tungstate powder, mainly cesium tungstate nano powder, may be applied for producing thermal insulation dispersion liquid. And the obtained nano dispersion liquid has strong absorption characteristic in the near-infrared region (wavelength of 800-1100nm), has strong transmission characteristic in the visible light region (wavelength of 380-780nm), and has a strong shielding characteristic in the ultraviolet light region (wavelength of 200-380nm).
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Therefore, nano cesium tungstate powder has benefited from the above characteristics and has been widely used in the field of transparent heat insulation film, such as PET coating film, EVA film, and so on. And therefore, the cesium tungstate has a wide application in the production of automotive film, architectural heat insulation glass/film, sunshade product, greenhouse plastic and other products. Also, cesium tungstate nano powder is also used to make infrared absorbing fibers for the warmth of winter products. In addition, it has been reported that nano grain size cesium tungstate may also be used in laser marking, laser welding, and near-infrared photothermal therapy.
