// SPEC · Refractory Bricks
Super-Duty Fireclay Brick Al2O3 48%
Super-duty fireclay brick, Al2O3 48%, max 1480°C. High strength and refractoriness for blast furnace stack, coal gasifier linings, and heavy-duty petrochemical reformer furnaces.
// Key Features
- High refractoriness under load ≥1430°C for extreme high-temperature service
- High cold crushing strength ≥55 MPa resisting mechanical and burden stress
- Superior alkali and slag resistance at elevated operating temperatures
- Stable volume at service temperature minimising joint widening
// Technical Specifications
| Al2O3 (%) | ≥48 |
| Fe2O3 (%) | ≤1.5 |
| Apparent Porosity (%) | ≤18 |
| Cold Crushing Strength (MPa) | ≥55 |
| Refractoriness Under Load (°C) | ≥1430 |
// Applications
Blast furnace stack and bosh liningCoal gasifier dome and lower conePetrochemical steam reformer radiant boxHot blast stove combustion chamberPower station boiler cyclone separator
// Quick Specs
Max Temperature1480°C
Thermal Conductivity1.2 W/(m·K) at 600°C
Density2.38 g/cm³
StandardGB/T 2493
// Get Pricing
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