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Chemical analysis(%): sic:98.5-99% fe2o3≤0.15% f.c≤0.20% physical properties: hardness(mohs):9.5 melting point(℃):2250 maximum service temperature(℃):1900 ture density(g/cm3):3.90g/cm3 application: silicon carbide from f20 to f220 is suitable for processing hard metal alloys and non-metallic materials that are hard and brittle such as jewels, optical glass or ceramics. it's sharp cutting characteristics also make it useful for soft materials such as copper, brass, aluminium, or magnesium.