Specifications:
1.Chemical composition:In accordance with GB/T 2478-1996.
2.Size:Full range of grits in accordance with GB/T 2478,GB/T9258(for P series),FEPA,JIS or ANSI.
3. Special requirement can be satisfied through negotiation.
It is used to grind hard and brittle metal, non-ferrous metals like copper, brass, aluminum and magnesium, and non-metallic materials such as gem, optical glass, ceramics, etc.
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Grain Types and Grades |
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Usage |
For vitrified wheels and belts |
For organic wheels |
For sheets |
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Type & Grade |
GC |
GC-B |
GC-P |
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Chemical Composition |
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Type & Grade |
Grit Size |
Chemical composition (%, by weight) |
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SiC |
F.C |
Fe2O3 |
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GC |
F20～F90 |
≥99.0 |
≤0.20 |
≤0.20 |
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F100～F150 |
≥98.5 |
≤0.25 |
≤0.50 |
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|
F180～F220 |
≥97.5 |
≤0.25 |
≤0.70 |
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|
W63～W20 |
≥97.0 |
≤0.30 |
≤0.70 |
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|
W14～W10 |
≥95.5 |
≤0.40 |
≤0.70 |
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|
W7～W5 |
≥94.0 |
≤0.50 |
≤0.70 |
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|
P12～P100 |
≥99.0 |
≤0.20 |
≤0.20 |
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|
P120～P150 |
≥98.5 |
≤0.25 |
≤0.50 |
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|
P180～P220 |
≥97.5 |
≤0.25 |
≤0.70 |
|
|
P240～P1000 |
≥97.0 |
≤0.30 |
≤0.70 |
|
|
P1200 |
≥95.5 |
≤0.40 |
≤0.70 |
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|
GC-B |
F20～F90 |
≥98.5 |
≤0.25 |
≤0.25 |
|
F100～F150 |
≥98.0 |
≤0.30 |
≤0.55 |
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|
F180～F220 |
≥97.0 |
≤0.30 |
≤0.80 |
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|
W63～W20 |
≥96.5 |
≤0.35 |
≤0.80 |
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|
W14～W10 |
≥94.5 |
≤0.45 |
≤0.80 |
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|
W7～W5 |
≥93.0 |
≤0.60 |
≤0.80 |
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|
GC-P |
P12～P100 |
≥98.5 |
≤0.25 |
≤0.25 |
|
P120～P150 |
≥98.0 |
≤0.30 |
≤0.55 |
|
|
P180～P220 |
≥97.0 |
≤0.30 |
≤0.80 |
|
|
P240～P1000 |
≥96.5 |
≤0.35 |
≤0.80 |
|
|
P1200 |
≥94.5 |
≤0.45 |
≤0.80 |
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