Characteristics The industrial silicon powder is also called metal silicon powder. It is silver grey or dark grey powder and appears metallic luster. Its characteristics are high melting point, good heat-resisting, high resistivity and excellent anti-oxidation. It's well known as the industry gourmet powder used as the indispensable basic raw materials of a lot of high-tech products. Application Industrial silicon powder is widely applied to the refractory material, powder metallurgy industry so as to improve the products heat-resisting performance, wear resistance and oxidation resistance. The products of the refractory material, powder metallurgy industry are used in the steelmaking furnace, kilns, etc. Standard Size: 200Mesh; 325Mesh; etc The packaging and granular size can be produce according to customer demand. Si Fe Al Ca 98.5% 0.5% 0.5% 0.3% 99.0% 0.4% 0.4% 0.1% 99.0% 0.3% 0.3% 0.03% 99.0% 0.2% 0.2% 0.02%