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High-alumina Insulating Brick(B) |
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| Properties |
INDEX |
ITEMS
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LG-1.0 |
LG-0.9 |
LG-0.8 |
LG-0.7 |
LG-0.6 |
LG-0.5 |
LG-0.4 |
Al2 O3 ,% ≥ |
48 |
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Fe2 O3 ,% ≤ |
2.0 |
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Volume Density, g/ cm3 ≤ |
1.0 |
0.9 |
0.8 |
0.7 |
0.6 |
0.5 |
0.4 |
C.C. Strength, kgf/m2 ≥ |
35 |
30 |
25 |
20 |
15 |
10 |
6 |
the Linear Change after Reheating Not More than 2%,the Test Temperature① , ℃ |
1300 |
1300 |
1300 |
1250 |
1250 |
1150 |
1150 |
the Thermal Conductivity? ,W/(m · K)(Average Temperature 350 ± 25 ℃ ) ≤ |
0.5 |
0.45 |
0.35 |
0.35 |
0.30 |
0.25 |
0.20 |
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| The serve temperature of the brick shall not higher than the testing temperature of linear after heating. |
| The data of thermal conductivity in the table came out through plate test method. |
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