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Fire Clay brick for hot blast stove
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|
Fire clay brick |
SK-32 |
SK-34 |
SK-38 |
|
AI2O3(%) |
30 |
38 |
50 |
|
Fe2O3 (%) |
3 |
2.5 |
2 |
|
Refractoriness (SK) |
32 |
34 |
36 |
|
Refractoriness under load, 0.2MPa, Ta, ((°C) |
1300 |
1350 |
1450 |
|
Porosity (%) |
22-26 |
19-23 |
20-24 |
|
Bulk density (g/cm³) |
2.05 |
2.10-2.15 |
2.30-2.40 |
|
Cold crushing strength (MPa) |
25 |
25 |
45 |
|
Thermal expansion at 1000°C (%) |
0.6 |
0.6 |
0.3 |
