1.Excellent compression strength,
2.Excellent heat stability,
3.Low thermal conductivity,
4.Low heat storage.
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Index | Model | Volume Density g/cm3 |
Reheating Linear Change 1400℃×12h % |
Cold Compression Strength Mpa |
Bending Strength At Normal Temperature Mpa |
Thermal Conductivity 350℃w/m.k |
Chemical Composition % |
||
Al2O3 | SiO2 | Fe2O3 | |||||||
JM-30 | A | 1.0 | -0.8 | 3.0 | 1.8 | 0.40 | 72 | 26 | 0.5 |
B | 1.1 | -0.7 | 3.5 | 1.9 | 0.43 | 72 | 26 | 0.5 | |
JM-32 | A | 1.1 | -0.8 | 3.6 | 1.9 | 0.43 | 75 | 23 | 0.4 |
B | 1.2 | -0.7 | 3.8 | 2.0 | 0.46 | 75 | 23 | 0.4 |
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