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| Customization: | Available |
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| Application: | Blast Furnace, Cement Kiln, Ceramic Kiln, Chemical Kiln, Glass Kiln, Steel-Making Furnace |
| Material: | High Alumina |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Description | DN-17 | DN14 | DN12 | SK34 | SK33 | SK32 | |
Refractoriness (SK) | 34 | 34 | 34 | 34 | 33 | 32 | |
Bulk density (g/cm3) | 2.25 | 2.34 | 2.40 | 2.20 | 2.17 | 2.15 | |
Cold Crushing Strength (MPa) | 50 | 65 | 70 | 40 | 35 | 30 | |
Apparent Porosity(%) | 17 | 14 | 12 | 23 | 24 | 26 | |
Permanent linear change @1400ºC*2hrs(%) | ±0.1~-0.2 | ±0.1~-0.2 | ±0.1~-0.2 | ±0.3 | ±0.5 | ±0.5 | |
Thermal Linear expansion @1000ºC | 0.6 | 0.6 | 0.5 | 0.6 | 0.6 | 0.6 | |
Refractoriness under Load (ºC)@0.2MPa | 1430 | 1470 | 1500 | 1350 | 1300 | 1250 | |
Chemical Analysis (%) | Al2O3 | 42 | 45 | 46 | 42 | 38 | 35 |
Fe2O3 | 1.7 | 1.5 | 1.3 | 2.0 | 2.2 | 3.0 | |
