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fired magnesite bricks used as Wall and bottom of steel furnace, electric furnace, iron alloy furnace ,Permanent linings
fired Magnesite fire bricks
Product application:
Wall and bottom of steel furnace basic open-hearth furnace, electric furnace, iron alloy furnace wall and bottom
Permanent lining of oxygen converter
High temperature industrial furnace of mixer, non-ferrous metal smelt industry,
Building materials of cement, annealing magnesia the lining of the kiln, glass furnace brick of lattice top, high-temperature tunnel kiln etc
Furnace wall of hot rolling mill and soaking pit furnace
Specifications
|
Item |
Index |
|||||||
|
MZ-97A |
MZ-97B |
MZ-95A |
MZ-95B |
MZ-93 |
MZ-91 |
MZ-89 |
MZ-87 |
|
|
MgO/%≥ |
97 |
96.5 |
95 |
94.5 |
93 |
91 |
89 |
87 |
|
SIO2/(%) ≤ |
1.0 |
2.0 |
2.0 |
2.0 |
3.5 |
- |
- |
- |
|
CaO (%) ≤ |
- |
- |
2.0 |
2.0 |
2.0 |
3.0 |
3.0 |
3.0 |
|
Apparent porosity /(%)≤ |
16 |
18 |
16 |
18 |
18 |
18 |
20 |
20 |
|
Cold crushing strength/(MPa)≥ |
60 |
60 |
60 |
60 |
50 |
50 |
||
|
0.2 MPa the load softens the beginning temperatur/(C)≥ |
1700 |
1650 |
1620 |
1560 |
1550 |
1540 |
||
|
Dead burnt rate of line change(1 650CX2h)/ % |
0--0.2 |
0--0.3 |
0-0.4 |
0-0.5 |
0-0.6 |
- |
||
Certificate
