Nano WO3 may be used to prepare a dingal building coating for use on glass, namely building glass thermal insulation coating. This new energy-saving coating may be applied directly to the surface of the glass to form a heat insulating film, which is transparent, heat-insulating and UV-blocking.
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http://www.tungsten-powder.com/tungsten-oxide.html
In the early days, how to make the glass have heat insulating performance of high transparency has always been a major issue that has plagued technical experts. There are two main ways to solve the problem of heat insulation of glass doors and windows. The first is to use the heat-insulating film on the glass, but it is unbearable for many people due to its high price - several hundred yuan per square meter. At present, the heat-insulating film product is mostly used in high-end cars. The second is to use a heat reflective film to reflect heat, but the opacity makes it impossible to be used widely. In order to solve the technical problem of heat insulation and transparency at the same time, experts have developed a transparent heat insulation coating of nano particle size tungsten trioxide, which is mainly used for glass heat insulation in buildings.
