Cesium tungstate, mainly cesium tungstate nano powder, may be applied for preparing thermal insulation film. The cesium tungstate powder used is a new material that has been discovered in recent years with the best absorption capacity for near infrared. Moreover, the transparent heat-insulating film of cesium tungstate nanopowder not only has strong absorption characteristics in the near-infrared region, but also has strong transmission characteristic in the visible light region and strong shielding property in the ultraviolet region.
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In other words, cesium tungstate nano powder has outstanding characteristics of near-infrared absorption and visible light transmission, so it has broad application prospects in many fields such as architectural film and automobile film. Therefore, at present, some well-known coating companies such as China, Japan, Germany, and the United States have vigorously developed transparent heat insulating film of cesium tungstate nanoparticles. And therefore, more and more people will use such heat insulation material in the future.
