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Powdered Black carborundum P2500
Description:
Black Silicon carbide P-Grit Abrasive material is produced by a special milling process after melting quartz(the main chemical is SiO2) and petroleum coke(the main chemical is carbon). The Black silicon carbide P-Git has a sharper granule than F-Grit. That shape make grains more easily to glue sand onto coated abrasive base such as cloth and paper and stick tight on those bases.
Properties:
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.
Applications:
Lapping, polishing
Sanding paper, sanding wheel
Fiber disc, nylon polishing wheel
Non-woven polishing wheel
Sanding block, sanding sheet, sanding sponge,etc.
Knife Grinder, whetstone, oilstone, grinding stone, honing, sharpening sticks, etc.
Wear resistance layer on bakes, etc.
TYPICAL CHEMICAL ANALYSIS | |
SiC |
≥98% |
SiO2 |
≤1% |
H2O3 |
≤0.5% |
Fe2O3 |
≤0.3% |
F.C |
≤0.3% |
Magnetic content |
≤0.02% |
TYPICAL PHYSICAL PROPERTIES | |
Hardness: |
Mohs:9.2 |
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:
P-macrogrits sizes coated | |
Grit designation |
Mean diameter in um |
P12 |
1815 |
P16 |
1324 |
P20 |
1000 |
P24 |
764 |
P30 |
642 |
P36 |
538 |
P40 |
425 |
P50 |
336 |
P60 |
269 |
P80 |
201 |
P100 |
162 |
P120 |
125 |
P150 |
100 |
P180 |
82 |
P220 |
68 |
P-microgrits sizes coated | |
Grit designation |
Mean grain size ds50-value in um |
P240 |
58.2±2 |
P280 |
52.2±2 |
P320 |
46.2±1.5 |
P360 |
40.5±1.5 |
P400 |
35.0±1.5 |
P500 |
30.2±1 |
P600 |
25.8±1 |
P800 |
21.8±1 |
P1000 |
18.3±1 |
P1200 |
15.3±1 |
P1500 |
12.6±1 |
P2000 |
10.3±0.8 |
P2500 |
8.4±0.5 |
P3000 |
6.2±0.5 |
P4000 |
5.3±0.3 |
P5000 |
3.4±0.3 |
Pictures:
Production Process:
Package:
25kgs/bag,1MT/Big bag/Pallet
Send Inquiry to This Supplier
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