Today is£º
Unshaped Refractory for Cement Kilns£¨Counter 1   Addtime£º2006-7-5 18:02:11£©
Brand name
Item
Corundum castable
High Alumina castable
Castable with steel fibres
Alkali-resistance castable
High-strength XAJ-93
Low-cement XAJ-93D
Ordinary XLJC-65
Low-cement XLJC-65D
Ordinary XFAJ
Low-cement XFAJC-D 
Ordinary XJC13
Low-cement XJC13D 
Al2O3 ¡Ý%
93
93
65
65
70
70
48
48
SiO2 ¡Ü%
0.5
1.0
50
50
CaO ¡Ü%
4.0
4.0
Crushing strength¡ÝMPa
110¡æ
80
60
40
80
70
70
40
70
1100¡æ
100
70
25
80
30
70
40
70
1500¡æ
120
100
Bending strength¡ÝMPa
110¡æ
8
6
4
10
9
10
5
7
1100¡æ
9
7
2.5
12
5.5
10
3
8
1500¡æ
10
9
Linear chang after heating %
1100¡æ
+0.5
+0.5
+0.4
+0.4
+0.4
+0.4
0~-0.5
0~-0.5
1500¡æ
+0.5
+0.5
Bulk density¡Ýg/cm3
2.9
2.9
Refractoriness ¡Ý¡æ
1800
1800
1790
1790
1790
1790
-
-
Refer to complied standard
J/TC498
JC/T498
JC/T499FA
JC/T499FHA
JC708
JC708
 
 

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