Ultra-fine powder combination; with characteristics of high volume density, low porosity rate, high strength, good thermal shock resistance and low linear change rate, etc.; resisting the flushing and wear of high temperature airflow and dust and resisting chemical corrosion during using.
|
Model |
LM-L155 |
LM-M165 |
LM-A165 |
LM-A170 | |
|
%
Chemical composition（Al2O3） |
≥65 |
≥65 |
≥80 |
≥90 | |
|
℃
Maximum service temperature |
1550 |
1600 |
1650 |
1700 | |
|
g/cm3
Bulk density |
110℃×24h |
2.4～2.6 |
2.4～2.6 |
2.7～3.0 |
2.8～3.1 |
|
MPa
Bending strength/Crushing strength |
110℃×24h |
≥50 |
≥60 |
≥60 |
≥70 |
|
1500℃×3h |
≥70 |
≥75 |
≥80 |
≥90 | |
|
%
Linear change rate |
1500℃×3h |
±0.4 |
±0.4 |
±0.4 |
±0.3 |