Magnesia bricks play a role of alkaline slag with good anti-corrosive and refractoriness up to more than 2000 . Mainly used for open-hearth steelmaking, oxygen converter, electric furnace steel, mixed furnace,
metallurgical furnace, but also for heat temperature and including high alkaline medium in the kiln.
Index as below:
|
Brand
|
MZ-91
|
MZ-89
|
MZ-87
|
|
MgO%≥
|
91
|
89
|
87
|
|
CaO%≤
|
3.0
|
3.0
|
3.0
|
|
AP %≤
|
18
|
20
|
20
|
|
CCS, MPa≥
|
58.01.3
|
49
|
39.2
|
|
Refractoriness under load≥
|
1550
|
1540
|
1520
|
|
PLC,%1650,2h
|
0-0.5
|
0-0.6
|
-
|