|
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. |
|
|
|
|
|
|
