| Brand Name: – | HR ULCC 45 | HR ULCC 60 | HR ULCC 80 | HR ULCC 90 | HR ULCC 95 | |||||
| Type | 45 % Alumina ULC Castable | 60 % Alumina ULC Castable | 80 % Alumina ULC Castable | 90 % Alumina ULC Castable | 95 % Alumina ULC Castable | |||||
| Nature of Bond | Hydraulic | Hydraulic | Hydraulic | Hydraulic | Hydraulic | |||||
| Installation | Vibration Casting | Vibration Casting | Vibration Casting | Vibration Casting | Vibration Casting | |||||
| Raw Material Base | Calcined Clay | Calcined Clay & Calcined Bauxite | Calcined Bauxite | Brown Fused Alumina (BFA) | White Tabular Alumina (WTA) | |||||
| Max Service Temp. | 1550°C | 1600°C | 1700°C | 1750°C | 1800°C | |||||
| Max Grain Size | 6 mm | 6 mm | 6 mm | 6 Mm | 6 mm | |||||
| Water Required for Casting | 5.0-6.0% | 5.0-6.0% | 5.0-6.0% | 4.5-5.5% | 4.5-5.5% | |||||
| Chemical Analyses: – (%) | Typical | Specification | Typical | Specification | Typical | Specification | Typical | Specification | Typical | Specification |
| Al2O3 : | 46.20 | 45.0 Min | 60.90 | 60.0 Min | 80.5 | 80.0 Min | 90.5 | 90.0 Min | 94.5 | 94.0 Min |
| Fe2O3 : | 0.90 | 1.00 Max | 1.40 | 1.50 Max | 1.70 | 1.80 Max | 0.80 | 1.00 Max | 0.20 | 0.30 Max |
| CaO : | 0.95 | 1.00 Max | 1.20 | 1.30 Max | 0.90 | 1.0 Max | 0.90 | 1.0 Max | 0.90 | 1.0 Max |
| Physical Properties: – | ||||||||||
| B. D (gm/cc)
Drying at 110°C/24 hrs. |
2.36 | 2.35 Min | 2.62 | 2.60 Min | 2.93 | 2.90 Min | 3.02 | 2.90 Min | 3.05 | 3.00 Min |
| Cold Crushing Strength (Kg/cm2): | ||||||||||
| Drying at 110°C/24 hrs. | 430 | 375 Min | 500 | 450 Min | 500 | 450 Min | 550 | 450 Min | 500 | 450 Min |
| Fired at 800°C/3hrs. | 830 | 800 Min | 840 | 800 Min | 900 | 800 Min | 1050 | 1000 Min | 750 | 700 Min |
| Fired at 1100°C/3hrs. | 850 | 825 Min | 920 | 900 Min | 1100 | 1000 Min | 1150 | 1100 Min | 1100 | 1000 Min |
| Fired at 1550°C/3hrs. | 950 | 900 Min | 1050 | 1000 Min | 1300 | 1200 Min | 1300 | 1200 Min | 1270 | 1250 Min |
| Thermal Properties: – | ||||||||||
| Refractoriness, Orton / 0 C | +32 | 32/1717 Min | +36 | 36/1804 Min | +37 | 37/1820 Min | +38 | 38/1835 Min | +38 | 38/1835 Min |
| PLC (%) | ||||||||||
| Fired at 800°C/3hrs. | -0.05 | ± 0.2 Max | -0.09 | ± 0.2 Max | -0.05 | ± 0.2 Max | -0.05 | ± 0.2 Max | -0.05 | ± 0.2 Max |
| Fired at 1100°C/3hrs. | -0.10 | ± 0.2 Max | -0.18 | ± 0.3 Max | -0.15 | ± 0.3 Max | -0.15 | ± 0.3 Max | -0.15 | ± 0.3 Max |
| Fired at 1550°C/3hrs. | -0.55 | ± 0.7 Max | -0.60 | ± 1.00Max | -0.55 | ± 0.8 Max | -0.60 | ± 0.8 Max | -0.50 | ± 0.8 Max |
| Water requirements indicated are based on laboratory test conditions. Actual water requirement may vary subject to site conditions. The properties shown are for vibratory cast material only unless specified otherwise. All values are based on test results on standard bars of size 160x40x40 mm. Test methods are guided by and based on various Indian Standards (IS). | ||||||||||
