// SPEC · Refractory Bricks
Corundum-Spinel Brick Al2O3 78%
Corundum-Spinel Brick Al2O3 78% with MgAl2O4 provides superior resistance to cement clinker alkali attack and thermal cycling for cement rotary kiln burning zones, transition zones, and lime kiln calcination zones.
// Key Features
- Superior resistance to cement clinker melt and alkali vapor penetration
- Excellent kiln coating adhesion providing thermal protection layer
- High thermal shock resistance for frequent charge and discharge cycling
- Strong mechanical abrasion resistance in rotating kiln environment
// Technical Specifications
| Al2O3 (%) | ≥78 |
| Fe2O3 (%) | ≤0.3 |
| Apparent Porosity (%) | ≤18 |
| Cold Crushing Strength (MPa) | ≥120 |
| Refractoriness Under Load (°C) | ≥1650 |
// Applications
Cement rotary kiln burning zoneCement rotary kiln upper transition zoneLime rotary kiln high-temperature calcination zoneClinker cooler inlet bull nose refractoryWaste incineration rotary kiln high-temperature combustion zone
// Quick Specs
Max Temperature1700°C
Thermal Conductivity3.2 W/(m·K) at 1000°C
Density3.00 g/cm³
StandardGB/T 2988
// Get Pricing
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