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Aluminum magnesia castable
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Aluminum-magnesia castable is mainly prepared by corundum, magnesia and spinel and has properties of high strength, erosion and thermal shock resistance features. The product is mainly used as the lining for the high-temperature furnace such as ladle and foundary ladle.
|
Items |
YH-PB70 |
YH-AMS85 |
YH-PB85 |
|
|
Al2O3 + MgO % ≥ |
90 |
85 |
80 |
|
|
Bulk density g/cm3 ≥ |
110℃×24h |
2.9 |
2.85 |
2.8 |
|
Cold crushing strength MPa≥ |
110℃×24h |
30 |
30 |
30 |
|
1500℃×3h |
60 |
60 |
60 |
|
|
Permanent linear change % |
1500℃×3h |
0~+1.2 |
0~+1.2 |
0~+1.2 |
