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 |
