Tungsten oxide (WO3) may be used to produce ceramic microsphere, in which WO3 is of nano grain size.
Nano ceramic microsphere is the ceramic material whose grain boundary width, grain size, defect size, and second phase distribution are all on the order of nanometers. More and more attention is paid to ceramic microspheres as they overcome the disadvantage of larger brittleness of traditional ceramics. And this kind of ceramic material is excellent in electrical properties, mechanical properties and other special properties.
At present, nano grain size ceramic microsphere is the most widely used thermal insulation material in coating industry. As nano-ceramics have very small thermal conductivity and special electromagnetic properties, people often adopt unique physical and chemical methods to evenly cover it on the surface of object, for thermal insulation, anti-oxidation, wear resistance, and wave absorbing.
Chinatungsten Online can provide different grain size of tungsten oxide for your requirements on ceramic microsphere.
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http://www.tungsten-powder.com/tungsten-oxide.html