... , F12-F2000, 3. JIS &FEPA stan coulors of silicon carbide silicon carbideGC,green silicon carbide,black silicon carbidesilicon carbide is produced at high temperature in an electric ... .53.54.0Size : F 12 to 220,F240-F1500 ( For Abrasives)Size : Lumps , 0-20,0-1,1-3,3-5mm ...