WO3 powder may be used to prepare an energy saving glass coating, which is used in bus window glasses and door glasses to create an environmentally-friendly and energy-saving bus. This is like "wearing" a layer of film "clothing" to the glasses of traditional bus, so the bus achieves the effect of "warm winter and cool summer".
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http://www.tungsten-powder.com/tungsten-oxide.html
Such smart glass heat insulation coating is a translucent liquid material with high hardness and super heat insulation properties. It is quick and simple to construct. And the film layer is non-toxic with strong adhesion. The obtained heat-insulating coating film is a transparent thermal insulation coating film. In the hot summer, the tungsten trioxide nano-semiconductor material can effectively reduce the temperature inside the bus by shielding the infrared light in the solar spectrum, and can realize energy conservation without lowering the transparency. And it can also prevent the far infrared rays from being emitted outside the bus, and therefore keep the temperature inside the bus, reducing the heating load.
