Nano tungsten trioxide may be used to prepare an energy-saving glass coating of high transparency. This kind of coating is simple to construct. As it is liquid, and no equipment investment is required. More important, you can carry out simple construction on the existing building site.
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http://www.tungsten-powder.com/tungsten-oxide.html
The new building energy-saving standards stipulate that energy-saving for new buildings must reach 50%, and old building renovations must also meet the standards, otherwise they will not be accepted. In this condition, the building heat insulation and energy conservation in China will be raised to a new level, and energy-saving materials will also usher in a golden period. China's annual glass output is about 13.5 million square meters, of which more than 80% is used for architectural decoration. As of the end of 2004, the existing building glass volume in the country was 1.5 billion square meters. If 10% of the glass is applying with tungsten oxide heat insulation glass coating, it will reduce energy consumption.
