It is calcined by asphalt coke and sponge coke in the 1350ºC calcined kiln,which is obtained the lower volatile matter products. Widely used in chemical smelting, mechanical casting, petroleum exploration and other industries.     Spe Grad F.C(%) Ash(%) Moisture(%) V.M(%) S(%) N(ppm) Size CPC 98min 0.5max 0.5max 0.7max 0.7max 1000-2000max . As clients' demands. CPC 98min 0.5max 0.5max 0.7max 0.5max 1000-2000max CPC 98min 0.5max 0.5max 0.7max 0.1max 1000-2000max Packing . As clients' demands.