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| Customization: | Available |
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| Feature: | Chemical Corrosion Resistance, Corrosion Resistance, Good Abrasion Resistance, Good Insulation Performance, High Mechanical Strength, Thermal Shock Resistance, Long Time Materials |
| Production Process: | Sintering Method |
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Corundum Mullite Brick is a high-performance refractory brick designed for industrial furnace linings operating under high temperature and severe thermal conditions.
By combining high-purity corundum and mullite, this brick offers excellent thermal shock resistance, strong mechanical strength, and stable volume performance, making it suitable for long-term furnace operation.
It is widely used in heat treatment furnaces, ceramic kilns, steel furnaces, and petrochemical heating units.
Features
High Temperature Resistance
Suitable for continuous service at high temperatures.
Excellent Thermal Shock Resistance
Withstands frequent heating and cooling cycles.
High Mechanical Strength
Strong resistance to abrasion and load.
Stable Volume Structure
Low permanent linear change after firing.
Reliable Furnace Lining Material
Ensures long service life and reduced maintenance.
Applications
Industrial Furnace Wall and Roof Lining
Heat Treatment Furnaces
Ceramic Kilns
Steel and Metallurgical Furnaces
Petrochemical Heating Furnaces
| 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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The maximum working temperature is up to 1700°C, depending on the selected grade and furnace conditions.
Yes. Corundum Mullite Bricks are widely used for industrial furnace walls, roofs, and high-temperature zones.
Yes. The corundum-mullite structure provides excellent resistance to rapid heating and cooling cycles.
Yes. Custom dimensions and special-shaped bricks can be produced according to drawings or requirements.
Please provide furnace type, working temperature, brick size, and quantity.
Our technical team will respond quickly with the most suitable recommendation
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