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Tubular Checker Brick for Regenerators in Glass Melting Kilns£¨Counter 1   Addtime£º2006-7-4 23:30:03£©
Brand Name
Item
Magnesia zircon
Fused rebounded magnesia bricks

Fused rebounded magnesia-chrome

XMZR
XDMZ-98
XDMZ-97
XDMZ-96
XDMZ-95
XDMC-12
MgO ¡Ý%
76
97.5
97
96
95
70
SiO2 ¡Ü%
0.8
1.0
1.2
1.5
2.5
CaO ¡Ü%
1.2
1.2
1.5
1.0
Fe2O3 ¡Ü%
0.6
0.9
1.0
1.2
Cr2O3 ¡Ý%  
 
12
ZrO2 ¡Ý%
12
Apparent porosity
16
15
18
18
18
18
Cold crushing strength ¡ÝMPa
80
60
65
60
60
40
Refractoriness under load T0.6¡Ý¡æ
1640
T0.5
1700
1700
1650
1600
1650
Bulk density ¡Ýg/cm3
3.2
3.05
3.05
3.0
2.95
3.0
Thermal expansion%(¡æ)   1.9(1400¡æ)        
Thermal shock resistances 950¡æ wind cycle
30
15
20
20
20
20
Thermal conductivity W/m.k
400¡æ
700¡æ
1100¡æ

7.5
5.5
4.2
      
 
 

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