You searched for: “metallurgical grade silicon”
metallurgical grade silicon (s) (noun) (no pl)
A product created by the heating of high-purity silica in an electric arc furnace: To produce metallurgical grade silicon the enclosed chamber must have at temperature over 1900 degrees Centigrade using carbon electrodes, producing a material that is at least 99% pure.
This entry is located in the following unit: Metallurgy Topics or Metal Technology + (page 2)