High Alumina Fire Brick — 80%
The top of the series: 79.9% alumina, 2.79 g/cc, 19.5% apparent porosity and 690 kg/cm² cold crushing strength — a third stronger than the 70% grade and the densest brick in the fireclay range. Specify it for chemical and thermal severity, not as a general upgrade.
| Al₂O₃ content, % | 79.85 |
|---|---|
| Fe₂O₃ content, % | 3.25 |
| Bulk density, g/cc | 2.79 |
| Apparent porosity, % | 19.53 |
| Cold crushing strength, kg/cm² | 690 |
| Refractoriness, Orton/°C | — |
| RUL (Ta), °C | — |
Values as published by the manufacturer. Manufacturer TDS governs.
More in Bricks
Bricks
High Alumina Fire Brick — 30%
Bricks
High Alumina Fire Brick — 40%
Bricks
High Alumina Fire Brick — 50%
Bricks
High Alumina Fire Brick — 60%
Bricks
High Alumina Fire Brick — 70%
Bricks
Acid Resistant Brick
Bricks
Magnesite Brick — 90%
Bricks
Magnesite Brick — 91%
Bricks
HFK Insulation Brick
Bricks
INS 110
Bricks
INS 140
Bricks
Porosint 500
Bricks
Porosint 750
Bricks
Alumina Burner Block
Bricks
Refractory Fire Tile