Black silicon carbide is with quartz sand, petroleum coke as primary raw materials, smelting in the high temperature resistance furnace. Its hardness is between corundum and diamond; the mechanical strength is higher than alumina, brittle and sharp. It has a certain conductivity and thermal conductivity.
Physical and chemical analysis
Chemical compositions
Value of specification (%)
SIC: 98.5min
F.C: 0.20max
Fe2O3:0.20max
Physical properties
Color: Black
Melting point:2600°C
Hardness 13
Bulk density≥1.38g/cm3
Real density: 3.20~3.25g/cm3 min
Usage
(1) As the abrasive: used for abrasive, such as grinding wheels, whetstone, grinding wheel, sand tiles etc. (2) As the metallurgical deoxidizer and high temperature material.
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