1.Good acid resistant.
2. High strength and Wear resistance.
3. Low water absorption and low apparent porosity.
4.Good eroding proofing and impact resistance.
5. High temperature resistant.
6.Good thermal shock resistance.
7.High mechanical strength.
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Item | RS-0.5 | RS-0.8 | RS-1 | RS-1.3 | RS-1.5 | RS-1.8 | RS-2 | |
Chemical Composition % | Al2O3 ≥ | 38 | 40 | 40 | 40 | 45 | 45 | 45 |
Bulk density g/cm3 ≥ | 110°C,24h | 0.5±0.1 | 0.8±0.1 | 1.0±0.1 | 1.3±0.1 | 1.5±0.1 | 1.8±0.1 | 2.0±0.1 |
Reheating linear change % | 1000°C,3h | -1.0~0 | -1.0~0 | -1.0~0 | -0.5~0 | -0.5~0 | -0.5~0 | -0.5~0 |
Compressive strength MPa ≥ | 110°C,24h | 1 | 2 | 3 | 6 | 7 | 12 | 15 |
1000°C,3h | 1 | 2 | 3 | 7 | 12 | 25 | 30 | |
1350°C,3h | - | - | - | - | 20 | 30 | 35 | |
Thermal conductivity W/(m.k) | 700°C | 0.15 | 0.25 | 0.35 | 0.4 | 0.65 | 0.7 | 0.75 |
1000°C | - | - | 0.4 | 0.45 | 0.75 | 0.75 | 0.9 | |
Service temperature °C ≥ | 1100 | 1150 | 1200 | 1250 | 1300 | 1300 | 1350 |
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