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Basicity Refractory Brick for Clinkering Zones in Cement Kilns
Counter 219   Addtime:2006-07-05 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 ≥%
75
70
75
62
65
76
SiO2≤%
2.5
3.0
1.8
3.5
3.1
ZrO212
Cr2O3≤%
7
12
12
8
Al2O3≥%
10
Bulk density≥g/cm3
3.0
2.95
2.95
3.15
3.0
3.2
Apparent porosity
18
20
18
16
18
16
Cold crushing strength≥MPa
40
40
45
60
50
80
Refractoriness under load≥℃
1650
1650
1680
1550
1530
1640
Thermal shock resistances water cycle
6
4
18
10
5-11

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