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Tel：0086-510-81708128 |
Hotline：013921378999 |
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 High Grad Insulation Brick:XJM Series Light-Weight Insulation Brick |
Counter 277 Addtime：2006-07-05 18:34:15
| Main property |
XJM23 |
XJM26 |
XJM28 |
| Temperature ℃ |
1260 |
1427 |
1538 |
| Bulk density Kg/m3 |
500 |
780 |
880 |
| Bending strength MPa |
0.8 |
1.8 |
2.7 |
| Cold crushing strength MPa |
1.2 |
2.3 |
4.1 |
| Linear change after heating % |
-0.1 |
-0.4 |
-1 |
| At temperature keeping 12hrs |
1230 |
1400 |
1510 |
| Thermai expansion |
5 |
5.4 |
5.7 |
| Creep,after 90 minuters |
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| 1100℃,0.034MPa % |
0.3 |
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| 1260℃,0.069MPa % |
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0.4 |
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| 1320℃,0.069MPa % |
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0.3 |
| Thermal conductivity average temperature |
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| 200℃ W/m.k |
0.15 |
0.28 |
0.32 |
| 400℃ W/m.k |
0.18 |
0.29 |
0.33 |
| 600℃ W/m.k |
0.22 |
0.32 |
0.34 |
| 800℃ W/m.k |
0.27 |
0.35 |
0.37 |
| 1000℃ W/m.k |
0.32 |
0.39 |
0.41 |
| 1200℃ W/m.k |
0.38 |
0.43 |
0.46 |
| 1400℃ W/m.k |
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0.47 |
0.5 |
| Chemical composition |
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| Al2O3 % |
45 |
60 |
66 |
| SiO2 % |
48 |
37 |
32 |
| Fe2O3 % |
0.8 |
0.7 |
0.6 |
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