coulors of silicon carbide 1.silicon carbide green,99%min 2.grain and fine size,,0-325mesh, ... . JIS &FEPA stan coulors of silicon carbide silicon carbideGC,green silicon carbide,black silicon carbidesilicon carbide is produced at high temperature in an ... type furnace with quartz sand and petroleum coke . Our silicon carbide is produced by raw materials, with color of black and ...