Tungsten acid can be applied for the manufacture of thermal insulating glass. Tungstic acid belongs to the category of inorganic absorbents and has similarity with inorganic absorbents.
Comparison of Infrared Absorbers
1. Organic absorbents, such as synthetic dyes, cost less. But, it has the disadvantage of poor heat resistance and easy decomposition.
2. Inorganic absorbents, such as metal complexes, have the advantages of high reflectivity, safety, and high durability. While their prices are relatively high.
When installed in the envelope of buildings, the thermal insulating glass (smart glass or smart window) creates climate adaptive building shells, with the ability to save costs for air-conditioning and avoid the cost of installing and maintaining motorized light screens or blinds or curtains. This type of blackout smart glass blocks 99.4% of ultraviolet light, reducing fabric fading. Certainly, there are also different smart glass technologies including electrochromic, thermochromic, suspended-particle, micro-blind and polymer-dispersed liquid-crystal devices.
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