Tungsten to tungsten oxide powder as raw material in four or muffle furnace tube furnace hydrogen reduction, particle size from 0.6-30 microns. The main points coarse, medium and fine particle size of several, silver-gray powder, impurity content based on national standards.In addition to tungsten powder impurities have certain requirements, the oxygen content should be controlled within a certain range. Common tungsten powder particle size is generally fee's average particle size of 2 ~ 10µm. Tungsten powder polygonal particle shape. In addition, the inner surface area of tungsten powder, bul
W Powder