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Gunning Material£¨Counter 1   Addtime£º2006-7-5 23:36:57£©
Item
GM1
GM2
GM3
Chemical composition
MgO
82
80
Bulk density ¡Ýg/cm3
110¡æ*16h
2.45
2.40
1500¡æ*3h
2.50
2.50
Cold crushing strength ¡ÝMPa
110¡æ*16h
15
15
1500¡æ*3h
20
20
Modulus of rupture ¡ÝMPa
110¡æ*16h
5
5
1500¡æ*3h
7
7
LIner change after heating %
1500¡æ*3h
-2.0~0
-2.5~0
Construction referance additional water quantity %
9-11
9-11
Max.service temperature
1750
1700
 
 

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