Silicon metal 2202 1.Chemical composition Si : 99.5% min, Fe 0.2% max, Al 0.2% , Ca 0.02% 2.Granularity 10mm-100mm 3.Physical properties High melting point, good heat resistence, high resistivity, with a high degree of antioxidant activity 4.Application Industrial refractories, powder metallurgy industry.organic silicon chemical industry , Al alloys etc