Black silicon carbide is produced at high temperature in an electric resistance type furnace with quarts 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 has electrical and heat conductivity in some degree.

1.Physical and chemical properties:

Color: black

Hardness (mohs): 9.15

True density (g/cm3): 3.9

Melting point(°C): 2250

Maximum service temperature(°C): 1900

Magnetic material content 0.0023%

SIC 98%min’

F.C 0.35%max

Fe2O3 0.6%max

2.The size we manufacture:

   Abrasives grade

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

3.Application:

    grinding wheel and polishing

    suitable for working on cast iron, on-ferrous metal, rock, leather, rubber, etc

    sandpaper

    refractory materials

    metallurgical additive