Black Silicon carbide P-Grit Abrasive material 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 | 58-65×106 psi |
Coefficient of Thermal Expansion | 3.9-4.5 x10-6/ ℃ |
Thermal Conductivity | 71-130 W/MK |
Available sizes of Black Silicon carbide P-Grit Abrasive material:
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 |
The F-Grit and P-Grit in the silicon carbide No. sand refer to product models produced by different production processes in the abrasive industry according to different uses.
The F-Grit in the silicon carbide sand mainly refers to the abrasive used for the production of fixed abrasive tools, such as: ceramic grinding wheels, abrasive blocks, resin grinding wheels and so on. Most of the F-Grit in silicon carbide sand is produced by ball mills or Barmac in China, with high bulk density and high strength.
The P-Grit in the silicon carbide sand mainly refers to the abrasive used for the production of coated abrasives, such as: abrasive belt, emery cloth, sandpaper, etc. The P-Grit in the silicon carbide sand is produced by a roller crusher, which is sharp and self-sharpening.
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