// SPEC · Refractory Bricks
High Alumina Brick Al2O3 90%
High Alumina Brick Al2O3 90% near-corundum grade withstands 1750°C with exceptional slag resistance, targeting blast furnace taphole areas, coal gasifiers, and high-temperature incinerators.
// Key Features
- Near-corundum phase composition for maximum service life in extreme temperature zones
- Exceptional resistance to slag penetration and alkali vapor attack
- High cold crushing strength ≥80 MPa for mechanically demanding installations
- Rated for direct flame contact and severe thermal cycling above 1700°C
// Technical Specifications
| Al2O3 (%) | ≥90 |
| Fe2O3 (%) | ≤0.8 |
| Apparent Porosity (%) | ≤17 |
| Cold Crushing Strength (MPa) | ≥80 |
| Refractoriness Under Load (°C) | ≥1550 |
// Applications
Blast furnace taphole and iron trough liningCoal gasifier refractory liningHigh-temperature waste incinerator combustion chamberTitanium smelting electric arc furnace liningPetrochemical partial oxidation reactor lining
// Quick Specs
Max Temperature1750°C
Thermal Conductivity2.8 W/(m·K) at 1000°C
Density2.90 g/cm³
StandardGB/T 2988
// Get Pricing
WhatsApp Us