Description
Black silicon carbide is produced at high temperature in an electric resistance type furnace with quartz sand and petroleum coke as its main raw materials. Its hardness is between fused alumina and synthetic diamond. Mechanical intensity of it is higher than fused alumina. It is brittle and sharp and sharp and heat conductivity in some degree. The abrasive made of it are suitable for working on cast iron, non-ferrous metal, rock, leather, rubber, etc It is also broadly used as refractory material and metallurgical additive.
Abrasives sizes:
Grit size: 16#,20#,24#30#,36#,46#,54#,60#,80#,100#,120#,150#,180#,220#
Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#,1200#,1500# 2000#,2500#,3000#,4000#
Refractory grade:1-0mm,3-1mm,5-3mm,5-8mm -200mesh,-240mesh,-320mesh
The physical and chemical analysis
SIC MIN 98%
F.C. MAX 0.35%
Fe2O3 MAX 0.7%
Crystalsystem Hexagonal
Color Black
Micro Hardness HV3100-3280
Grinding ability(compared with diamond as one) 0.25
Hardness(mohs) 9.15
Ture density 3.9g/cm3
Bulk density 1.45-1.56g/cm3.
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