Description
Product Description
- Type: High-alumina or alumina-silicate based monolithic castable (pourable refractory mix that hardens into a solid lining).
- Key Designation: “Monocast” refers to Monocon’s branded line of monolithic refractories, emphasizing ease of installation via casting, gunning, or spraying. The “1850” likely denotes its maximum service temperature of 1850°C, suitable for molten steel processing where temperatures exceed 1600°C.
- Primary Applications:
- Ladle and tundish linings for erosion and thermal shock resistance.
- EAF roof and sidewall repairs.
- High-alumina 1850°C monocast refractories
- Slag line protection in basic oxygen furnaces (BOF).
- Extreme Heat Resistance: Maximum service temperature 1800–1900°C with minimal linear change.
- Superior Mechanical Strength: High cold crushing strength (>80–120 MPa after firing) and excellent volume stability.
- Enhanced Erosion Resistance: Low porosity and dense microstructure protect against molten metal and gas penetration.
- Thermal Shock Stability: Rapid heating/cooling cycles cause no spalling.
- Easy Installation & Repair: Self-flowing options reduce labor and downtime.
Typical Specifications
- Al₂O₃: 85–95%
- Fe₂O₃: <0.5–1%
- Bulk Density: 2.8–3.3 g/cm³
- Water Requirement: 4–6% (low-cement types)
- Installation Methods: Casting, vibration, pumping, gunning
| Property | Value/Range | Notes |
| Max Service Temp | 1850°C | Withstands prolonged exposure to molten steel. |
| Bulk Density | 2.2–2.6 g/cm³ | High density for durability. |
| Cold Crushing Strength | >50 MPa (after firing) | Ensures structural integrity. |
| Thermal Shock Resistance | Excellent (10–15 cycles) | Resists cracking from rapid heating/cooling. |
| Chemical Composition | Al₂O₃: 70–85%, SiO₂: 10–20% | Low iron for slag resistance. |
| Installation Method | Casting, gunning, or ramming | Quick setup with minimal downtime. |
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