*Purity 99%min Free silicon 0.2%max Free carbon 1.0%max Chloride Cl 0.25%max Total oxygen 1.5%max Crystalline :Cubic(beta SIC) Shape: Granular Color: Green &Purity 98%min Free silicon 0.2%max Free carbon 1.0%max Chloride Cl 0.25%max Total oxygen 1.5%max Crystalline :Cubic(beta SIC) Shape: Granular Color: Black