Nano Tungsten Trioxide Applied for Windshield Thermal Insulating Coating

Nano tungsten trioxide for producing windshield thermal insulating coating is a new type of functional nano material that can shield both infrared rays and ultraviolet rays. So, the tungsten trioxide nano materials are more and more widely applied for the heat insulation of the buildings. In this regard, some experts have proposed a method for the thermal insulation and radiation protection of automobile glass with such a heat insulating coating.

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A method for treating the problems of thermal insulation and radiation prevention of the automobile glasses, the steps are as follows:

Step One: Place the clean glass in an enclosed space with air inlet and outlet systems and water mist dust removal device. The temperature is controlled at 20-35 °C, and humidity is controlled below 80%.

Step Two: Configure the spraying coating containing inorganic nano-ceramic resin with the performance of shielding infrared and UV.

Step Three: Load the coating into a spray can and adjust spraying parameters. Among them, the air pressure is 1.0-3.5 bar; the flow rate is 10-30 ml/min; the width is 40-100%; the spraying distance is 10-30 cm; the spraying speed is 20-50 cm/s.

Step Four: Evenly spray the windshield thermal insulating coating of nano tungsten trioxide on the glass with the spray gun, and then the sprayed glass is allowed to stand for curing.

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