Nano tungsten trioxide for producing glass dome thermal insulating glass coating is a new type of environmentally-friendly energy saving material. The transparent coating film of such a coating formed on the glass can shield most of the ultraviolet rays and a large part of the infrared rays. And more than 70% of visible light can pass through the glass. In other words, the thermal insulation effect of the tungsten trioxide coating is significant without affecting the daylighting. In this regard, some experts have studied the ultraviolet-visible-infrared transmission spectrum of nano ATO/WO3/LaB6 composite systems, which has better thermal insulation performance than WO3 coating.
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The experts have found that the average transmittance of this composite coating in the visible range is greater than 80%. The transmittance at 350nm-400nm is 0%. The transmittance at 800nm-1000nm is 1%. And the transmittance at 1000nm-2000nm is 2%. That is, the transparent glass dome thermal insulating glass coating of nano tungsten trioxide shields almost all of the ultraviolet rays and infrared rays, and allow most of the visible light to pass through, so the thermal insulation effect is very significant.
