It is made of high quality magnesia, olivine as the main raw materials, adding plasticizer and explosion-proof agent.
Features: the construction performance, anti - burst performance, anti - erosion performance, anti - sintering performance and heat preservation performance are good. It doesn’t contain sulfur and phosphorus, which do not pollute molten steel.
Main physical and chemical performance index:
|
Index |
Alumina magnesia |
Clay |
|
|
Al2O3 % ≥ |
60 |
40 |
|
|
MgO % ≥ |
10 |
--- |
|
|
110℃×24h |
CCS MPa ≥ |
40 |
15 |
|
|
MOR MPa ≥ |
10 |
--- |
|
1400℃×3h |
CCS MPa ≥ |
60 |
20 |
|
|
MOR MPa ≥ |
15 |
--- |
|
|
Linear change after heating % |
±1 |
±1 |
|
|
Apparent porosity % ≤ |
20 |
23 |
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