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Unshaped Refratory for Fertilier Equipment
Counter 273   Addtime：2006-07-05 18:12:43
Brand name
Item
CL Low-silicon refractoriness
Castable
CLQ Low-silicon refratoriness
Castable
TG-94 Special refractory
Castable
GL-60 refractory
Castable
FQ alumina cement refractory
Castable
VSL-50 refractory
Castable
Al2O3 ≥%
93
93
95
60
/
30
SiO2≤%
0.5
0.5
0.5
/
/
45
Fe2O3≤%
0.7
0.7
0.7
/
/
/
CaO ≤%
5
5
2.5
/
/
/
Cold crushing strength
≥MPa
110℃
40
15
50
30
1.5
3.0
1000℃
28
/
80
20
1.2
2.0
1300℃
20
/
80
/
/
/
Bulk density≥g/cm3
2.80-3.00
1.60-1.70
3.00-3.20
2.35-0.05
0.90+0.05
1.15+0.05
Linear change after heating ≤%
(1400℃*3h)
+0.35
(1400℃*3h)
+0.3
(1100℃*2h)
-0.5
(1300℃*2h)
-0.1
(900℃*2h)
-0.4
(800℃*2h)
-0.25
Thermal conductivity ≤W/m.k
800℃
0.7
500℃
0.26
500℃
0.28
Remarks
Be used in the second transform oven
Transport windpipe line
The second gasily oven
Flue cover brick
The first oven flue
French type oven

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