Group Profile

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Black Silicon Carbide

Black silicon carbide is produced by smelting high purity petroleum coke and silica sand at high temperature in large resistance furnace.

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Its hardness is higher than fused aluminum oxide but lower than boron carbide and synthetic diamond. The abrasives made of it are quite suitable for grinding cast iron and non-ferrous, finishing rock, leather, rubber, etc.

It is also broadly used in refractory and metallurgical materials.

Typical Chemical Analysis

Grit Size

SiC
min. (%)

Fe
max. (%)

C
max. (%)

Magnetic Contents
max. (%)

F12-F20

98.5

0.3

0.3

0.13

F24-F90

98.0

0.3

0.3

0.2

F100-F120

97.0

0.4

0.4

0.2

F150-F180

98.0

0.5

0.4

0.2

F230-F280

98.0

0.4

0.4

0.2

F320-F600

98.0

0.5

0.5

0.2

F800-F1000

95.0

0.7

0.6

0.2

F1200

92.0

0.9

0.7

0.2

 

Note: JIS Standard, P Standard and other sizes are also available on request.

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