Cesium tungsten bronze is a kind of transparent thermal insulation material. It can solve the urgent problems that building energy efficiency needs to solve now. One of the most urgent problems is high energy consumption due to high utilization rate of air conditioning in hot summer as it is necessary to lower indoor temperature.
Solar radiation provides energy for every life activity on earth. The solar radiation includes ultraviolet light, visible light, and near-infrared light. The visible and near-infrared regions are areas where solar radiation energy is concentrated. The heat is basically through the near-infrared radiation into the doors and windows. Therefore, the requirements for building energy-saving glass are:
1. Meet the lighting requirements with high transparency --- high transmittance in the visible light band;
2. Satisfy the requirement of reducing energy consumption --- In the near-infrared band, there is high shielding rate to block the radiant energy of sunlight.
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