... density:3.9 4.Hardness(mohs):9.15 5 Color:black Black Silicon Carbide:1.Sic 98% F.C. 0.35% 2. ... content 0.0023%.....color black ……hardness(mohs) 9.15…….ture density 3.9Marterials: petroleum cokeBlack silicon carbide is produced at high ... #,46#,54#,60#,80#,100#,120#,150#,180#,220#Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#, ... temperature(°C)1900Ture density(g/cm3)3.9 Black Silicon Carbide