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.
Severe-duty hot faces, burner blocks and throats, high-temperature zones in steel, cement and petrochemical plant.
Read the engineering note →Manufacturer technical datasheets and safety data sheets for this line are available on request — ask for them with your enquiry and we will send them with the quotation.
Request the datasheet →More in Bricks
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