Castables for Rotary Kilns


Brand
GDQ
GDGA-45
GDG-70
GDGM
Chem.comp. (%)
AL2O3
¡Ý40
¡Ý45
¡Ý70
¡Ý65
CaO
 
¡Ü2.5
¡Ü2.1
¡Ü2.1
Bulk density
(g/cm3 )
110¡æ¡Á16h
1.85
2.35
2.60
2.55
1200¡æ¡Á3h
1.80
2.30
2.57
2.50
1400¡æ¡Á3h
 
 
2.55
2.45
CMOR
(MPa)
110¡æ¡Á16h
4
7
8
8
1200¡æ¡Á3h
8
9
10
11
1400¡æ¡Á3h
 
 
12
14
CCS
(MPa)
110¡æ¡Á16h
20
25
40
50
1200¡æ¡Á3h
30
50
70
70
1400¡æ¡Á3h
 
 
80
90
PLC (%)
110¡æ¡Á16h
-0.05
-0.05
-0.01
-0.01
1200¡æ¡Á3h
-0.5
-0.3
-0.2
-0.2
1400¡æ¡Á3h
 
 
¡À0.5
0¡«£«0.5
Refractoriness (¡æ£©
1690
1710
¡Ý1790
¡Ý1790
Alkali resistance degree
¢ñ
¢ñ
¢ñ¢ñ
¢ñ
Service temp.(¡æ£©
1250
1300
1450
1550
Watter amount for mixing (%)
 
6¡«8
6¡«8
6¡«8
Amount for construction (t/m3 )
2.1
2.6
2.8
2.75
Character
Resistances to alkali,abrasion,thermal shock,energy saving Resistances to alkali,abrasion, thermal shock and spalling High strength,resistances to abrasion, and thermal shock.
Application
For preheat zone,cover of kiln For kiln tail, preheat zone,chain zone For decomposition zone,cooling zone,discharging zone and cooling machine



The series casstables reach domestically advanced level and passed the provincial product appraisal in 1990.