Ammonium metatungstate, AMT, mainly ammonium metatungstate nanoparticles, is a near-infrared short-wave shielding nano-material that can be used to produce cesium tungsten bronze nano particles. And AMT is called transparent thermal insulation nanopowder as the thermal insulation material of cesium tungsten bronze has high transparency, that is, high visible light transmittance.
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Moreover, the thermal insulation film or thermal insulation coating prepared by using such thermal insulation nano particles can provide a new glass thermal insulation treatment method. For example, coatings prepared using ammonium metatungstate powder as raw material may be applied to architectural or automotive glass by innovative spraying process. Experts said that this new method overcomes the shortcomings of traditional building window glass film and car film, such as, difficult construction, poor heat insulation and radiation protection, and low light transmittance, etc. In other words, the building glass treated by new method using new heat insulation material of cesium tungsten bronze will have the advantages of easy construction, high heat insulation, high visible light transmittance and excellent radiation protection.
