Corundum silicon carbide castable
Category:
Castable
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Details Introduction
Corundum silicon carbide castable in the silicon carbide thermal conductivity is high, the thermal expansion coefficient is small, silicon carbide at high temperature belongs to the protective oxidation, oxidation resistance is good. Therefore, corundum silicon carbide castables made by combining corundum with silicon carbide have strong wear resistance and are resistant to corrosion of acid and alkaline materials.
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Project |
corundum silicon carbide castable |
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AL2O3/% |
≥ 70 |
≥ 75 |
≥80 |
≥ 85 |
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SiC+SiO2/% |
≤ 15 |
≤20 |
≤35 |
≤30 |
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Bulk density g/cm3 |
≥ 2.75 |
≥ 2.85 |
≥ 2.9 |
≥ 2.95 |
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Normal temperature compressive strength/MPa |
110 ℃× 24h |
≥ 8 |
≥ 11 |
≥ 12 |
≥ 13 |
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1100 ℃× 3h |
≥ 10 |
≥ 13 |
≥ 14 |
≥ 15 |
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Normal temperature flexural strength/MPa |
110 ℃× 24h |
≥ 70 |
≥80 |
≥ 85 |
≥ 90 |
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1100 ℃× 3h |
≥ 85 |
≥ 90 |
≥95 |
≥ 110 |
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Thermal shock resistance (900 ℃, water cooling, times) |
≥25 |
≥ 20 |
≥25 |
≥ 20 |
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Key words:
Corundum silicon carbide castable
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