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INSULATING BRICKS


High-Alumina Insulating Brick(A)
 
This kind of product has the natures of a higher temperature, stable quality, well insulating, can be used as the lining and heat reserving layer of all kinds of furnaces and kilns.
 
Properties
 
INDEX
ITEMS
LG-1.0
LG-0.9
LG-0.8
LG-0.7
LG-0.6
LG-0.5
LG-0.4
Al2 O3 ,%
48
Al2 O3 ,% ≤
2.0
Volume Density, g/ cm3
1.0
0.9
0.8
0.7
0.6
0.5
0.4
C.C. Strength, kgf/m2
40
35
30
25
20
15
8
the Linear Change after Reheating Not More than 2%,the Test Temperature① , ℃
1400
1400
1400
1350
1350
1250
1250
the Thermal Conductivity② ,W/(m · K)(Average Temperature 350 ± 25 ℃ )
0.5
0.45
0.35
0.35
0.30
0.25
0.20
 
The serve temperature of the brick shall not higher than the testing temperature of linear after heating.
The data of thermal conductivity in the table came out through plate test method.



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