Cesium tungsten bronze nano powder is optimal to prepare transparent thermal insulating coating. Well, do you know what is cesium tungsten bronze nanopowder? Cesium tungsten bronze nanoparticles is a kind of dingal nano material that can absorb infrared light to achieve transparent heat insulation effect. Are there other nanoparticles that have infrared absorption performance? Yes, such as antimony-doped tin dioxide (ATO), indium tin oxide (ITO), and lanthanum hexaboride. Among them, cesium tungsten bronze, also known as cesium tungstate, has the best near-infrared absorption characteristics.
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According to experts, usually, adding 2g of cesium tungsten bronze nano powder into per square meter of coating can achieve a transmission rate of less than 10% at 950nm (that is, the absorption rate of near-infrared rays is as high as 90%), and the transmittance is above 70% at 550nm. It is worth to note that the index of 70% is the basic index of most highly transparent films. Also, it is the basic requirement for visible light transmittance of heat insulation films of automobiles. That is to say, the automotive transparent thermal insulating coating of cesium tungsten bronze nano powder has a good ding of blocking radiant heat.
