... .9 4.Hardness(mohs):9.15 5 Color:blackIntroductionsBlack silicon carbide is produced at high temperature in an electric resistance type ... material and metallurgical additive.Abrasives gradeGrit size: 16#,20#,24#30#,36#,46#,54#,60#,80#,100#,120#,150#,180#,220 ... boxAdvantages1.since abrasives services in 19982.we have own silicon carbide and fused alumina factory,and suppliing one-stop services3.we ...