| Production Process: | High-Density |
|---|---|
| Refractoriness (℃): | 1580< Refractoriness< 1770 |
| Type: | Sintered Corundum Mullite Brick |
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Corundum brick has outstanding high temperature resistance, mainly calcined alumina, corundum, mullite as the main raw materials, the finished product chemical composition is high purity, low impurity content, dense structure, high pressure strength, good acid and alkali corrosion resistance, widely used in carbon black reactor, petrochemical gasification furnace, industrial ceramic high temperature furnace, refractory tunnel kiln and other high temperature kiln.
| Brand Properties |
JC-98 | JC-95 | JC-90 | JC-85 | |
| Chemical Composition (%) | Al2O3% | 98.5 | 95 | 90 | 85 |
| SiO2% | 0.3 | 3.0 | 9.0 | 18 | |
| Fe2O3% | 0.2 | 0.2 | 0.5 | 0.5 | |
| Apparent Porosity (%) | 18 | 18 | 18 | 20 | |
| Bulk Density (g/cm3) | 3.1 | 2.95 | 2.9 | 2.75 | |
| Cold Crushing Strength (MPa) | 90 | 80 | 80 | 70 | |
| Refractoriness Under Load (ºC) | 1700 | 1650 | 1650 | 1700 | |
| Permanent Linear Change (%) |
0.1 | 0.2 | 0.2 | 0.3 | |
| Main Applications | Carbon reactor furnace Pertrochemical furnace Industry ceramic kiln Refractory tunnel kiln Various high-temp Furnace |
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