FIRECRETE SPECIAL
A 58–62% alumina conventional castable rated to 1600 °C — a higher service temperature than the 70% Firecrete Super, on lower alumina, at 9–10% casting water. Dried density 2.35 g/cc, 350 kg/cm² after drying, cone equivalent Orton 25 / 1650 °C.

| NATURE OF BOND | HYDRAULIC |
|---|---|
| INSTALLATION | VIBRATION CASTING |
| MAX.SERVICE TEMPERATURE | 1600°C |
| MAXIMUM GRAIN SIZE | 5 mm |
| WATER REQUIRED FOR CASTING | 9.0 - 10.0% |
| Al₂O₃ content, % | 58 - 62 |
| CaO | 5.0 |
| Fe₂O₃ content, % | 2.5 |
| Dry density g/cc After drying at 110°C/ 24hrs | 2.35 |
| CCS kg/cm2 After drying at 110°C/ 24hrs | 350 |
| After heating at 1100°C/ 3hrs | 250 |
| After heating at 1550°C/ 3hrs | 310 |
| % Retained on maximum size | 0.8 |
| Refractoriness, Orton /°C | 25/1650 |
| After heating at 1100°C/ 3hrs | -0.10 |
| After heating at 1500°C/ 3hrs | 0.75 |
| PACKING | 25KG BAG |
Values as published by the manufacturer. Manufacturer TDS governs.
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