Silicon nanopowder, APS 130 nm, 99.5%

Silicon is a chemical element with symbol Si and atomic number 14. A hard and brittle crystalline solid with a blue-gray metallic luster, it is a tetravalent metalloid.

SN0175 (OTTO) Silicon nanopowder, APS 130 nm, 99.5% Cas 7440-21-3 - used in the steel refining, aluminium-casting, and fine chemical industries (often to make fumed silica).