Black SiC F120 Abrasive grit
Black SiC F120 Abrasive grit is an ideal grinding medium for marble, ceramic, plate glass, and non-ferrous metal. With super hardness, and grinding performance, it is not only an aggressive blasting media but also an excellent raw material for abrasive wheels.
Typical physical properties of Black SiC F120 Abrasive grit:
| 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 SiC F120 Abrasive grit:
| 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 SiC F120 Abrasive grit:
| Grit | Mesh# | Mesh size(um) | Weight Standard(%) | Typical Value(%)
|
| Coarsest Grit | +80 | 180 | 0 | 0 |
| Coarse Grit | +120 | 125 | Max. 20 | 7.6 |
| Basic Grit | +140 | 106 | Min. 40 | 50.5 |
| Mixed Grit | +140 +170 | 106 90 | Min. 65 | 79 |
| Fine Grit | -230 | 63 | Max. 3 | 0.8 |
Product Feature of Black SiC F120 Abrasive grit:
- 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 |
Reviews
There are no reviews yet.