Yellow tungsten oxide nanopowder may be applied to produce an environmentally friendly thermal insulation coating for applying in building glass. As you may have known, at present, China's building energy consumption accounts for 40% of the total energy consumption, ranking first in all kinds of energy consumption in the country. And the energy lost through doors and windows is 46%. Therefore, building energy conservation must start from the doors and windows.
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In this regard, experts have developed a new type of transparent glass energy-saving coating, which can be directly sprayed on common architectural glasses and automotive glasses with good thermal insulation effect, high visible light transmittance of about 80% and ultraviolet shielding rate of more than 97%. In hot summer, the indoor temperature can be directly reduced by 2-5°C. In winter, the fogging of the glass can be inhibited with high hardness, so it does not affect daily glass cleaning. It has long service life, which is about 2-3 times of heat insulation film. It is flame retardant to meet high security requirements. Therefore, the energy-saving coating of tungsten oxide nano particles is one of the preferred nano transparent heat insulation coatings for energy conservation renovation of old or new building doors and windows.
