Today is£º
Alkali-Resistant Brick for Cement Kilns£¨Counter 1   Addtime£º2006-7-5 17:59:08£©
Brand name
Item
alkali-resistant brick
High-strength alkali resistant brick
Arch alkali resistant brick
XNJ-30
XNJ-30G
XNJ-35D
Al2O3 %
25-30
25-30
30-35
SiO2 %
60-70
60-70
Fe2O3 ¡Ü%
2
Apparent porosity
25
Cold crushing strength¡ÝMPa
35
70
40
Bulk density¡Ýg/cm3
2.1
2.2
2.2
Linear change after heating 1200¡æ*2h%
+0.2~-0.2
+0.15~-0.15
+0.15~-0.15
Refractoriness>¡æ
1650
1650
1700
Refractoriness under load¡Ý¡æ
1230
1250
1280
Thermal shock resistances water cycle
10
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-
 
 

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