Today is£º
Magnesia Brick£¨Counter 1   Addtime£º2006-7-5 0:03:59£©
Brand name
Item
Ordinary magnesia brick
Quatity magnesia brick
MZ-91
MZ-89
MZ-87
MZ-98
MZ-97
MZ-96
MZ-95
MZ-93
MgO¡Ý%
91
89
87
97.5
96.5
96
94.5
93
CaO¡Ü%
3
3
3
1.2
1.2
2.0
2.0
Fe2O3¡Ü%
0.7
0.9
1.0
SiO2 ¡Ü%
0.8
1.5
1.5
2.5
3.5
Bulk density¡Ýg/cm3
2.9
2.8
2.7
3.10
3.05
3.0
2.95
2.95
Apparent porosity
18
20
20
16
16
17
18
18
Cold crushing strength¡ÝMPa
55
45
40
65
60
60
50
65
Temperature of refractoriness under load 0.2Mpa¡Ý¡æ
1530
1520
1500
1700
1700
1650
1600
1550
 
 

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