Tungsten oxide may be used to prepare a new type of environmentally friendly transparent glass heat insulation coating. So, in what background did this new building energy-saving coating appears?
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http://www.tungsten-powder.com/tungsten-oxide.html
As you may have known, LOW-E glass has a good heat insulation effect, but the price is high, the coating layer is easily oxidized, and the service life is short. And it is also inconvenient for the renovation of existing buildings. The heat preservation performance of the insulating glass is good, but its shading effect is not very good, and the heat reflection of solar radiation is not improved much. The heat absorbing glass has limited heat insulation effect – it absorbs a part of visible light and affects indoor lighting as it is dark in color. The PVB material in the middle of the laminated glass is easy to age. In addition, the general heat-insulating film is light-transmissive and non-insulating, or heat-insulating and opaque. And the film is made of a polymer material, which is easy to burn and age with a fast decay effect and a short life. Therefore, the market urgently needs a spectrally selective product with high transmittance in the visible light band and high shielding rate in the ultraviolet and infrared bands, and at the same time, it can meet the energy-saving renovation of existing buildings and the new buildings. Tungsten oxide nano energy-saving thermal insulation coating was born in the market background.
