Mainly
used on the working lining where molten
iron flows out, can be customized according to size
|
Technical
Data |
||||
|
Item
|
Al2O3-MgO
Pre-castable block |
Al2O3-C Pre-castable block |
Steel
forced Pre-castable block |
|
|
Al2O3(%)≥ |
70 |
65 |
75 |
|
|
MgO(%)≥ |
6 |
/ |
/ |
|
|
SiC(%)≥ |
/ |
12 |
/ |
|
|
SiO2（%）≤ |
/ |
2 |
12 |
|
|
Bulk
Density （g/cm3）≥ |
2.5 |
2.7 |
2.8 |
|
|
Cold
crushing strength (MPa) ≥ |
110℃×24h |
20 |
25 |
70 |
|
1000℃×3h |
/ |
/ |
40 |
|
|
1350℃×3h |
60 |
70 |
65 |
|
|
Modulus
of Rupture(MPa)≥ |
110℃×24h |
3 |
4 |
/ |
|
1350℃×3h |
8 |
10 |
/ |
|
|
Application |
Mainly used for ladles, tanks and
integral casting working Lining |
Mouth |
||
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