// SPEC · Refractory Bricks
High Alumina Brick Al2O3 80%
High Alumina Brick Al2O3 80% delivers ultra-high thermal stability and refractoriness to 1700°C for rotary kiln burning zones, petrochemical steam reformers, and lime calcination kiln linings.
// Key Features
- Ultra-high alumina composition for exceptional thermal stability above 1650°C
- Excellent resistance to both acid and alkali slag attack in kiln service
- High refractoriness under load ≥1500°C for continuous rotary kiln duty
- Low Fe2O3 ≤1.0% for clean process environments in petrochemical reformers
// Technical Specifications
| Al2O3 (%) | ≥80 |
| Fe2O3 (%) | ≤1.0 |
| Apparent Porosity (%) | ≤18 |
| Cold Crushing Strength (MPa) | ≥70 |
| Refractoriness Under Load (°C) | ≥1500 |
// Applications
Rotary kiln burning zone liningPetrochemical steam reformer tube supports and archLime calcination rotary kiln hot zoneMagnesium oxide calcination kiln liningWaste incineration furnace high-temperature combustion zone
// Quick Specs
Max Temperature1700°C
Thermal Conductivity2.2 W/(m·K) at 1000°C
Density2.75 g/cm³
StandardGB/T 2988
// Get Pricing
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