Fused alumina silicon carbide castable
Category:
Refractory castable
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Details Introduction
The thermal conductivity of silicon carbide in corundum silicon carbide castable is high, and the thermal expansion coefficient is small. Silicon carbide undergoes protective oxidation at high temperatures, exhibiting good oxidation resistance. Therefore, the corundum silicon carbide castable made by combining corundum and silicon carbide has strong wear resistance and is also resistant to corrosion from acidic and alkaline materials.
| Project |
Corundum Silicon Carbide Castable |
||||
| Al₂O₃/% |
≥70 |
≥75 |
≥80 |
≥85 |
|
| SiC+SiO2/% |
≤15 |
≤20 |
≤35 |
≤30 |
|
| Bulk Density g/cm3 |
≥2.75 |
≥2.85 |
≥2.9 |
≥2.95 |
|
| Room Temperature Compressive Strength/MPa |
110℃×24h |
≥8 |
≥11 |
≥12 |
≥13 |
| 1100℃×3h |
≥10 |
≥13 |
≥14 |
≥15 |
|
| Room Temperature Flexural Strength/MPa |
110℃×24h |
≥70 |
≥80 |
≥85 |
≥90 |
| 1100℃×3h |
≥85 |
≥90 |
≥95 |
≥110 |
|
| Thermal Shock Resistance (900℃, water cooling), times |
≥25 |
≥20 |
≥25 |
≥20 |
|
Key words:
Fused alumina silicon carbide castable
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