Cesium tungstate for preparing transparent heat-insulation film is composed of nanoscale cesium tungstate particles with extremely high surface area. The prepared thin film is a new type of environmentally-friendly film with high performance so that it is often used for heat insulation of buildings and automobiles.
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According to the experts, cesium tungstate possesses one of best near-infrared absorption spectra. And it is regarded as a better insulator than ATO or ITO. Well, do you know the thermal insulation effect of the transparent heat-insulation film of cesium tungstate? Some experts use a 42W halogen lamp and a 60W tungsten lamp to irradiate the carton with such a transparent film and the carton with an ordinary PET film for half an hour, and use a thermometer to record the temperature change with time. The results show that the temperature in the carton gradually increases as the irradiation time increases. And the temperature difference becomes more obvious as the irradiation time increases. Wherein, the carton to which the cesium tungstate film is attached has a lower rising temperature, that is, it has a relatively good heat insulation effect.
