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Black silicon carbide, green silicon carbide, black carborundum, green carborundum, Black silicon carbide powder, green silicon carbide powder
Black silicon carbide, green silicon carbide, black carborundum, green carborundum, Black silicon carbide powder, green silicon carbide powder
Dust free black silicon carbide powder 220 grit
Dust free black silicon carbide powder 220 grit is an excellent abrasive raw material to make coated abrasive tools. It is produced by a premium reshape milling process. Then the material is washed with acid and fully cleaned with water. So there is much less dust in the grits. In the meantime, it gets a higher bulk density. That type of black silicon carbide grit is suitable for making abrasive wheels.
Dust free black silicon carbide powder 220 grit Properties:
High cleanness with little dust.
High bulk density.
High SiC purity up to 99%.
High hardness, retaining hardness, and high wear resistance.
Excellent thermal shock resistance with high thermal conductivity and low linear thermal expansion.
Good particle distribution.
Good ability to withstand the strongest alkalis and acids.
Dust free black silicon carbide powder 220 grit Applications:
Semi flex grinding wheel for marble.
Vitrified grinding wheel and SiC cup grinding disc.
Brush buffing wheel.
Nylon polishing wheel for paint removal.
Black silicon carbide Sanding wheel.
Fiber grinding disc.
TYPICAL CHEMICAL ANALYSIS
|
SiC |
≥98% |
|
SiO2 |
≤0.5% |
|
Fe2O3 |
≤0.2% |
|
F.C |
≤0.2% |
|
Magnetic content |
≤0.01% |
|
TYPICAL PHYSICAL PROPERTIES |
|
|
Hardness: |
Mohs:9.2 |
|
Cleanness: |
Min 95% |
|
Melting Point: |
dissociated at about 2300 °C |
|
Maximum service temperature: |
1900℃ |
|
Specific Gravity: |
3.2-3.45 g/cm3 |
|
Bulk density(LPD): |
1.2-1.6 g/cm3(depends on the size) |
|
Color: |
Black |
|
Particle shape: |
Hexagonal |
|
Modulus of Elasticity |
58-65x106 psi |
|
Coefficient of Thermal Expansion |
3.9-4.5 x10-6/ ℃ |
|
Thermal Conductivity |
71-130 W/MK |
Available sizes:
|
Grit Size |
Coarst particle |
Coarse particle |
Basic particle |
Mixed particle |
Total mesh residual |
Fine particle |
||||
|
100% residual mesh |
mesh |
Weight max. |
Residual mesh |
Weight min. |
Residual mesh |
Weight min. |
Residual mesh |
Weight min. |
Weight max. |
|
|
P16 |
8 |
12 |
3 |
14 |
20-32 |
14 16 |
66-84 |
14 16 18 |
96 |
4 |
|
P20 |
12 |
16 |
7 |
18 |
34-50 |
18 20 |
80-92 |
18 20 25 |
96 |
4 |
|
P24 |
14 |
18 |
1 |
20 |
10-18 |
20 25 |
53-70 |
20 25 30 |
92 |
8 |
|
P30 |
16 |
20 |
1 |
25 |
10-18 |
25 30 |
53-70 |
25 30 35 |
92 |
8 |
|
P36 |
18 |
25 |
1 |
30 |
10-18 |
30 35 |
53-70 |
30 35 40 |
92 |
8 |
|
P40 |
25 |
35 |
7 |
40 |
34-50 |
40 45 |
80-92 |
40 45 50 |
96 |
4 |
|
P50 |
30 |
40 |
3 |
45 |
20-32 |
45 50 |
66-84 |
45 50 60 |
96 |
4 |
|
P60 |
35 |
45 |
1 |
50 |
10-18 |
50 60 |
53-70 |
50 60 70 |
92 |
8 |
|
P80 |
45 |
60 |
3 |
70 |
20-32 |
70 80 |
66-84 |
70 80 100 |
96 |
4 |
|
P100 |
50 |
70 |
1 |
80 |
10-18 |
80 100 |
53-70 |
80 100 120 |
92 |
8 |
|
P120 |
70 |
100 |
7 |
120 |
34-50 |
120 140 |
80-92 |
120 140 170 |
96 |
4 |
|
P150 |
80 |
120 |
3 |
140 |
20-32 |
140 170 |
66-84 |
140 170 200 |
96 |
4 |
|
P180 |
100 |
140 |
2 |
170 |
10-20 |
170 200 |
50-84 |
170 200 230 |
90 |
10 |
|
P220 |
120 |
170 |
2 |
200 |
10-20 |
200 230 |
50-84 |
200 230 270 |
90 |
10 |
|
P-Grit size |
D0（um） |
D3(um) |
D50(um) |
D95(um) |
|
P240 |
Max. 110 |
Max. 81.7 |
58.5±2.0 |
Min. 44.5 |
|
P280 |
Max. 101 |
Max. 74.0 |
52.2±2.0 |
Min. 39.2 |
|
P320 |
Max. 94 |
Max. 66.8 |
46.2±1.5 |
Min. 34.2 |
|
P360 |
Max. 87 |
Max. 60.3 |
40.5±1.5 |
Min. 29.6 |
|
P400 |
Max. 81 |
Max. 53.9 |
35.0±1.5 |
Min. 25.2 |
|
P500 |
Max. 77 |
Max. 48.3 |
30.2±1.5 |
Min. 21.5 |
|
P600 |
Max. 72 |
Max. 43.0 |
25.8±1.0 |
Min. 18.0 |
|
P800 |
Max. 67 |
Max. 38.1 |
21.8±1.0 |
Min. 15.1 |
|
P1000 |
Max. 63 |
Max. 33.7 |
18.3±1.0 |
Min. 12.4 |
|
P1200 |
Max. 58 |
Max. 29.7 |
15.3±1.0 |
Min. 10.2 |
|
P1500 |
Max. 53 |
Max. 22.4 |
12.6±1.0 |
Min. 8.3 |
|
P2000 |
Max. 45 |
Max. 19.3 |
10.3±0.8 |
Min. 6.7 |
|
P2500 |
Max. 38 |
Max. 14.0 |
8.4±0.5 |
Min. 5.4 |
|
P3000 |
Max. 32 |
Max. 12.0 |
6.7±0.5 |
Min. 3.0 |
|
P4000 |
Max. 27 |
Max. 11.0 |
5.5±0.5 |
Min. 2.0 |
|
P5000 |
Max. 23 |
Max. 8.0 |
4±0.5 |
Min. 1.8 |
Qualification
ISO 9001:2015 Certificate
TUV certificate
Packing
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