Conventional castable
Conventional Castable
Conventional Castable
Conventional castable contains greater than 2.5 % CaO. It also known as traditional castable, refers to a type of refractory material used in high-temperature applications. It is composed of refractory aggregates, fine powders, and a cementitious binder, typically Portland cement.
Conventional castables are widely used due to their ease of installation and good workability. They can be mixed with water to form a pumpable or pourable slurry, allowing for flexible and convenient application. Once installed, conventional castables are cured and dried to develop their desired properties. These castables provide thermal insulation, erosion resistance, and mechanical strength, making them suitable for various industrial applications requiring moderate to high temperatures.
| Properties | Unit | Conventional Castable | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I-Cast C | I-Cast C Super | I-Cast K | I-Cast Super | I-Cast 80 | I-Cast 85 | I-Cast A | I-Cast A Super | I-Cast 94 | I-Cast 96 | I-Cast 45 | I-Cast 60 | ||||
| General Properties | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Service Temp. (Max.) | °C | 1500 | 1500 | 1650 | 1600 | 1650 | 1700 | 1750 | 1800 | 1700 | 1850 | 1500 | 1850 |
| Grain Size ( Max .) | mm | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 3.0 | 3.0 |
| Water Required to Mix | % | 10-12 | 10-12 | 10-12 | 9-11 | 9-11 | 9-11 | 9-10 | 8-10 | 9-11 | 9-11 | 12-15 | 12-15 |
| Placement | V/T | V/T | V/T | V/T | V/T | V/T | V/T | V/T | V/T | V/T | Gunn ing | Gun ning | |
| Physical Properties | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bulk Density Dried at 110°C (Min) | g/cc | 2.10 | 2.10 | 2.20 | 2.10 | 2.20 | 265 | 270 | 2.75 | 2.80 | 2.75 | 2.00 | 2.10 | ||
| Cold Crushing Strength ( Min .) | Kg/cm2 | ||||||||||||||
| at 110°C/24 h | 325 | 400 | 350 | 450 | 500 | 550 | 600 | 700 | 600 | 375 | 275 | 300 | |||
| at 1100°C/3h | 300 | 275 | 300 | 325 | 350 | 400 | 350 | 400 | 350 | 275 | 250 | 250 | |||
| at 1500°C/3h | 400 | 450 | 450 | 475 | 450 | 500 | 600 | 700 | 650 | 400 | 375 | 375 | |||
| Modulas Of Rupture (Min.) | Kg/cm2 | ||||||||||||||
| at 110°C/24 h | 60 | 60 | 60 | 65 | 80 | 70 | 70 | 100 | 95 | 70 | 30 | 30 | |||
| at 1100°C/3h | 27 | 30 | 30 | 30 | 40 | 50 | 60 | 35 | 30 | 20 | 35 | 25 | |||
| at 1500°C/3h | 80 | 85 | 85 | 85 | 85 | 100 | 110 | 90 | 95 | 80 | 50 | 50 | |||
| Thermal Properties | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Refractoriness (PCE) | °C | 1650 | 1650 | 1680 | 1680 | 1700 | 1800 | 1750 | 1750 | (+) 1900 | (+) 1900 | 1680 | 1650 |
| Permanent Linear Change | % | ||||||||||||
| at 1100°C/3h | ±0.2 | ±0.2 | ±0.18 | ±0.18 | ±0.2 | ±0.2 | ±0.2 | ±0.15 | ±0.1 | ±0.1 | ±0.18 | ±0.2 | |
| 1500°C/3h | ±1.0 | ±1.0 | ±1.0 | ±1.0 | ±1.0 | ±1.0 | ±1.0 | ±1.0 | ±1.8 | ±0.8 | ±1.0 | ±1.0 | |
| Thermal conductivity | Kod/hr/m/c | 1.0 | 0.95 | 1.05 | 1.0 | 1.17 | 1.18 | 12 | 12 | 14 | 15 | 105 | 10 |
| Chemical Analysis | % | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A1203 | Min | 45-50 | 50.0 | 55-60 | 60.0 | 80.0 | 85.0 | 900 | 88.0 | 940 | 960 | 60.0 | 50.0 |
| Fe203 | Мах | 1.50 | 1.50 | 1.00 | 1.00 | 2.00 | 1.50 | 0.80 | 0.80 | 0.30 | 0.30 | 100 | 150 |
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