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Silicon Carbide: abrasive, metallurgical
and advanced grades
Black SiC
abrasives are suitable for grinding cast iron, non-ferrous metals, leather,
rubber, plastics, wood and mineral rocks. Refractory grains are also
available to make
high grade refractory products.
More information:
Grit size comparison chart
|
Size |
Chemical Composition (%) |
|
Grit (GB/T 2480-1996) |
SiC |
F.C. |
Fe2O3 |
12#~90#
P12~P100 |
≥98.50 |
≤0.20 |
≤0.60 |
|
100#~150#
P120~P150 |
≥98.00 |
≤0.30 |
≤0.80 |
|
180#~220#
P180~P220 |
≥97.00 |
≤0.30 |
≤1.20 |
|
230#~400#
P230~P500 |
≥96.00 |
≤0.40 |
≤1.20 |
|
500#~800#
P600~P1500 |
≥95.00 |
≤0.40 |
≤1.20 |
|
1000#~1200#
P2000~P2500 |
≥93.00 |
≤0.50 |
≤1.20 |
Black SiC of metallurgical grades are used in steel production.
|
Size |
Chemical Composition (%) |
|
(mm) |
SiC |
F.C. |
Fe2O3 |
|
50~0
13~0
10~0
5~0
0.5~0
100F
200F
325F |
≥98.00 |
<1.00 |
<0.50 |
| ≥97.00 |
<1.50 |
<0.80 |
| ≥95.00 |
<2.50 |
<1.00 |
| ≥90.00 |
<3.00 |
<2.50 |
| ≥88.00 |
<3.50 |
<3.00 |
| ≥85.00 |
<5.00 |
<3.50 |
Green SiC is of higher purity
and hardness than black SiC. It can be used to grind hard alloys, metallic
and non-metallic materials that are hard and brittle such as copper, brass,
aluminum, magnesium, jewel, optical glass and ceramics. Green SiC powder
can also be used to make heating elements, electrical resistors and
light-emitting diodes.
|
Size |
Chemical Composition (%) |
|
Grit (GB/T 2480-1996) |
SiC |
F.C. |
Fe2O3 |
20#~90#
P12~P100 |
≥99.00 |
≤0.20 |
≤0.20 |
|
100#~150#
P120~P150 |
≥98.50 |
≤0.25 |
≤0.50 |
|
180#~220#
P180~P220 |
≥97.75 |
≤0.25 |
≤0.70 |
|
W63~W20
P240~P1000 |
≥97.00 |
≤0.30 |
≤0.70 |
|
W14~W10
P1200 |
≥95.50 |
≤0.40 |
≤0.70 |
|
W7~W5 |
≥94.00 |
≤0.50 |
≤0.70 |
All grades also come in other sizes.
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