Today is£º
Basicity Refractory Brick for Clinkering Zones in Cement Kilns£¨Counter 1   Addtime£º2006-7-5 17:55:21£©
Brand name
Item
Direct bonding magnesia-chreme brick
General magnesia-chrome brick
Magnesia-alumina spinel brick
Unburned magnesia-chrome brick
Magenesia-zircon brick
XDMC-7
XDMC-12
XML-75
XBMG-12
XBMG-8
XMZR
MgO ¡Ý%
75
70
75
62
65
76
SiO2¡Ü%
2.5
3.0
1.8
3.5
3.1
ZrO212
Cr2O3¡Ü%
7
12
12
8
Al2O3¡Ý%
10
Bulk density¡Ýg/cm3
3.0
2.95
2.95
3.15
3.0
3.2
Apparent porosity
18
20
18
16
18
16
Cold crushing strength¡ÝMPa
40
40
45
60
50
80
Refractoriness under load¡Ý¡æ
1650
1650
1680
1550
1530
1640
Thermal shock resistances water cycle
6
4
18
10
5-11
¡ï
 
 

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