... density:3.9 4.Hardness(mohs):9.15 5 Color:black Black Silicon Carbide:1.Sic 98% F.C ... %..... Magnetic material content 0.0023%.....color black ……hardness(mohs) 9.15…….ture density 3.9Marterials: petroleum cokeBlack ... cast iron,non-ferrous metal,rock, leather,rubber,etc.It is also broadly used as refractory ... material and metallurgical additive.Abrasives gradeGrit size: 16#,20#,24#30#,36#,46#,54#,60#,80 ...