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Silicon carbide
Silicon carbide is made of quartz sand, petroleum coke (or coal coke), wood chips and other raw materials through high-temperature resistance furnace smelting. Silicon carbide is also called moissanite. Among contemporary non-oxide high-tech refractory raw materials such as C, N, and B, silicon carbide is the most widely used and economical type, which can be called gold steel sand or refractory sand.
| Type | Cemical Composition | ||||||
| Fe2O3 | FC | SiO2 | Al2O3 | S | H2O | SIZE | |
| SIC98 | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.15% | ≤0.06% | ≤0.5% | 0-3mm/0-10mm |
| SIC98/96 | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.15% | ≤0.06% | 24F/40F/60F/80F/120F/180/240F/325F | |
| SIC88/90 | ≤1.0% | ≤1.0% | ≤3.5% | ≤1.5% | ≤0.1% | 0-5mm/0-10mm | |
| SIC88/90 | ≤1.0% | ≤1.0% | ≤3.5% | ≤1.5% | ≤0.1% | 1-5mm/1-10mm | |
| SICIC85 | ≤2.0% | ≤3.0% | ≤5.0% | ≤3.0% | ≤O.1% | 0-5mm/0-10mm | |
SIC80 | ≤3.0% | ≤7% | ≤8.0% | ≤5.0% | ≤0.15% | 0-5mm/0-10mm | |
| SIC75 | ≤3.5% | ≤8% | ≤9% | ≤6% | ≤0.15% | 0-5mm/0-10mm | |
| SIC70 | ≤4.0% | ≤7% | ≤10% | ≤7% | ≤0.2% | 0-5mm/0-10mm | |
| SIC65 | ≤5.0% | ≤12% | ≤12% | ≤7% | ≤0.25% | 0-5mm/0-10mm | |
| SIC60 | ≤5.0% | ≤13% | ≤13% | ≤8% | ≤0.25% | 0-5mm/0-10mm | |
| SIC50 | ≤5.0% | ≤18% | ≤15% | ≤8% | ≤0.25% | 0-5mm/0-10mm | |




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