Silicon Metal 2202 1,Si: 99.3%min; Fe: 0.30%max; Al: ... -3mm, 0-5mm 2,CIQ ,SGS,ISO Furnace Silicon Metal 2202 factory Specifications: 1.CIQ ,SGS,ISO quality certificate.2. As ... . Used in Automobbile wheel alloy. Furnace Silicon Metal 99.9% 2202 factory