Black silicon carbide is made of quartz sand and petroleum coke as the main raw materials, and is smelted at high temperature in a resistance furnace. It is black crystal, brittle and sharp, and has certain thermal and electrical conductivity.
Chemical Composition (%)
Grit | Sic | F.C. | Fe2O3 |
F12-F90 | ≥98.50 | <0.20 | ≤0.60 |
F100-F150 | ≥98.00 | <0.30 | ≤0.80 |
F180-F220 | ≥97.00 | <0.30 | ≤1.20 |
F230-F400 | ≥96.00 | <0.40 | ≤1.20 |
F500-F800 | ≥95.00 | <0.40 | ≤1.20 |
F1000-F1200 | ≥93.00 | <0.50 | ≤1.20 |
P12-P90 | ≥98.50 | <0.20 | ≤0.60 |
P100-P150 | ≥98.00 | <0.30 | ≤0.80 |
P180-P220 | ≥97.00 | <0.30 | ≤1.20 |
P230-P500 | ≥96.00 | <0.40 | ≤1.20 |
P600-P1500 | ≥95.00 | <0.40 | ≤1.20 |
P2000-P2500 | ≥93.00 | <0.50 | ≤1.20 |
Physical Index
Grits | Bulk Density | High Density | Grits | Bulk Density | High Density |
F16 ~ F24 | 1.42~1.50 | ≥1.50 | F100 | 1.36~1.45 | ≥1.45 |
F30 ~ F40 | 1.42~1.50 | ≥1.50 | F120 | 1.34~1.43 | ≥1.43 |
F46 ~ F54 | 1.43~1.51 | ≥1.51 | F150 | 1.32~1.41 | ≥1.41 |
F60 ~ F70 | 1.40~1.48 | ≥1.48 | F180 | 1.31~1.40 | ≥1.40 |
F80 | 1.38~1.46 | ≥1.46 | F220 | 1.31~1.40 | ≥1.40 |
F90 | 1.38~1.45 | ≥1.45 |
1. High Hardness
Provides excellent cutting, grinding, and polishing capabilities, ensuring efficient material removal and surface finishing. When comparing green vs black silicon carbide, the black variant is often chosen for general-purpose abrasive applications due to its cost-effectiveness.
2. Thermal Stability
Maintains structural integrity at high temperatures, making black silicon carbide 220 ideal for refractory applications such as furnace linings and high-temperature processing equipment.
3. Chemical Resistance
As a sic silicon carbide, it is highly resistant to oxidation and corrosion, suitable for use in harsh chemical environments and chemical processing equipment.
4. Electrical Conductivity
Semi-conductive properties make silicon carbide grains black useful in electronic applications, including semiconductor devices and power electronics.
5. Cost-Effectiveness
Black silicon carbide powder from the black silicon carbide factory HAOYUN is more affordable compared to other high-performance materials like diamond, offering a cost-effective solution without compromising on performance.
