Tungsten(VI) oxide, also known as tungsten trioxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten.
||10~20μm(fine), 1~2μm(superfine), 50~100nm
||Free flowing dark blue or yellow crystalline powder.
||In iron drums with inside plastic bags of 100kg or 200kg net each.
Electronics industry, Ceramic painting, producing tungsten powder/WC powder, new material etc.