Black silicon carbide F100 Abrasive Sand
Black silicon carbide F100 Abrasive sand is a wear resistance grain. It is not only an excellent raw material for grinding and blasting, but also suitable for non-slip and corrosion resistance coating. The SiC purity of A grade Black silicon carbide is not less than 98% with low dust and even particle size. The particle range of F100 mesh is 0.106-0.15mm.
Physical properties of Black silicon carbide F100 Abrasive Sand:
| 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 |
| 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 |
Typical chemical composition of Black silicon carbide F100 Abrasive Sand:
| Chemical Item | Guarantee Value(%) | Typical Value(%) |
| SiC | ≥98.1% | 98.42 |
| Free C | ≤0.20 | 0.12 |
| Fe2O3 | ≤0.30 | 0.16 |
Particle size distribution of Black silicon carbide F100 Abrasive Sand:
| Grit | Mesh# | Mesh size(um) | Weight Standard(%) | Typical Value(%) |
| Coarsest Grit | +70 | 212 | 0 | 0 |
| Coarse Grit | +100 | 150 | Max. 20 | 6.0 |
| Basic Grit | +120 | 125 | Min. 40 | 46.8 |
| Mixed Grit | +120 +140 | 125 106 | Min. 65 | 87.4 |
| Fine Grit | -200 | 75 | Max. 3 | 1.1 |
Product Feature of Black silicon carbide F100 Abrasive Sand:
- Good oxidation resistance and chemical stability at high temperatures.
- High hardness with Mohs 9.2-9.3. Even at 2000℃, it still gets high strength.
- Excellent toughness.
- Low thermal conductivity. So it can be resistant to thermal shock.
- High purity min SiC content is 98.5%.
- High bulk density.
- Black silicon carbide grit is washed with water before the milling process, so there are few impurities.
Application of Black SiC F120 Abrasive grit:
- Sandblasting, etching, and carving of materials such as stone and marble.
- Surface cleaning and passivation of materials such as stainless steel semiconductor components and alloy steel.
- Ceramic products and electronic ceramics sandblasting and grinding.
- Polishing and grinding marble, granite, jade, jadeite, gemstones, etc.
- Glass artworks, glass products polishing and grinding, etc.
- Production of grinding tools such as grinding stones, steel paper sand discs, silicon carbide abrasive brushes, black diamond drawing wheels, sponge grinding blocks, and oilstones.
- Reaction-sintered silicon carbide ceramics: silicon carbide ceramic filters, silicon carbide ceramic membrane tubes, silicon carbide wear-resistant products, silicon carbide ceramic water pumps, bent pipes, silicon carbide wear-resistant plates, etc.
- Composite materials such as foam glass, modified resin, lubricating oil, anti-corrosion mastic, and other materials are added.
- Wear-resistant products such as brake pads, and wear-resistant sandpaper with added materials.
- Refractory materials such as silicon carbide refractory aggregates, and metallurgical carbonization materials.
Other available Grit Sizes:
| Macro Grit Size | Average particle size（mm） | Basic particle size（mm） |
| 8# | 2.460 | 2.000-2.360 |
| 10# | 2.085 | 1.700-2.000 |
| 12# | 1.765 | 1.400-1.700 |
| 14# | 1.470 | 1.180-1.400 |
| 16# | 1.230 | 1.100-1.180 |
| 20# | 1.040 | 0.850-1.000 |
| 22# | 0.885 | 0.710-0.850 |
| 24# | 0.745 | 0.600-0.710 |
| 30# | 0.625 | 0.500-0.600 |
| 36# | 0.525 | 0.425-0.500 |
| 40# | 0.438 | 0.355-0.425 |
| 46# | 0.370 | 0.300-0.355 |
| 54# | 0.310 | 0.250-0.300 |
| 60# | 0.260 | 0.212-0.250 |
| 70# | 0.218 | 0.180-0.212 |
| 80# | 0.185 | 0.150-0.180 |
| 90# | 0.154 | 0.125-0.150 |
| 100# | 0.129 | 0.106-0.125 |
| 120# | 0.109 | 0.090-0.106 |
| 150# | 0.082 | 0.063-0.075 |
| 180# | 0.069 | 0.053-0.075 |
| 220# | 0.058 | 0.045-0.063 |
| Grit designation | Mean grain size ds50-value in μm |
| F 230 | 53.0 ± 3 |
| F 240 | 44.5 ± 2 |
| F 280 | 36.5 ± 1.5 |
| F 320 | 29.2 ± 1.5 |
| F 360 | 22.8 ± 1.5 |
| F 400 | 17.3 ± 1 |
| F 500 | 12.8 ± 1 |
| F 600 | 9.3 ± 1 |
| F 800 | 6.5 ± 1 |
| F 1000 | 4.5 ± 0.8 |
| F 1200 | 3.0 ± 0.5 |
| F 1500 | 2.0 ± 0.4 |
| F 2000 | 1.2 ± 0.3 |
| F 3000 | 0.8±0.2 |
Production of black silicon carbide：
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