Black silicon carbide (Carborundum) is a hard, angular abrasive used for wheel, slurry, refractory and ceramic industries. Silicon Carbide is special in the way it breaks down. As it breaks down into smaller particles, the media will expose new, sharp edges. Black silicon carbide can therefore be used many times, such as in a rock tumbler.
| 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 physical properties of Grinding of nonferrous materials uses black silicon carbide
| SiC | 90.72%min |
| Fe2O3 | 2.19% |
| F.C | 2.26% |
| Magnetic content | % |
Product Feature of Grinding of nonferrous materials uses black silicon carbide
- Good oxidation resistance and chemical stability at high temperatures.
- High hardness with Mohs 9.2-9.3. Even at 2000℃, it’s still getting high strength.
- Excellent toughness.
- Low thermal conductivity. So it can resistant to thermal shock.
- High purity min SiC content is 98.5%.
- High bulk density.
- Black silicon carbide grit is washed by water before the milling process, so there are few impurities.
Application of Grinding of nonferrous materials uses black silicon carbide
Fiber Sanding disc
Sintered silicon carbide ceramic
black silicon carbide grinding wheel such as cup grinding wheel
Sanding sheet
Semi flex grinding disc for marble, granite.
Other abrasive tools.
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