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Black silicon carbide (BC)
 
It is used to grind cast iron, non-ferrous metals rubber, leather, plastic, wood, mineral rocks, etc. It can also be used to manufacture high-class refractory products.

Grain Types and  Grades

Usage

For vitrified wheels & belts

For  organic wheels

For sheets

Type & Grade

BC

BC-B

BC-P

Chemical Composition (GB/T 2480-1996)

Type & Grade

Grit Size

Chemical composition (%, by weight)

 Black silicon carbide

Sic

F.C

Fe2O3

BC

F12~F90

98.50

0.20

0.60

F100~F150

98.00

0.30

0.80

F180~F220

97.00

0.30

1.20

P12~P100

98.50

0.20

0.60

P120~P150

98.00

0.30

0.80

P180~P220

97.00

0.30

1.20

BC-B

F12~F90

98.00

0.25

0.70

F100~F150

97.50

0.35

0.90

F180~F220

96.00

0.35

1.35

BC-P

P12~P100

98.00

0.25

0.70

P120~P150

97.50

0.35

0.90

P180~P220

96.00

0.35

1.35

Note: Special requirement on chemical composition can be satisfied through discussion
 

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