Properties
specification of light weightcastables with micro-pored mullite as aggregates
|
Type |
SR-MLW-1.3 |
SR-MLW-1.5 |
SR-MLW-1.8 |
SR-MLW-2.0 |
|
|
Chemical analysis (%) ≥ |
Al2O3 |
40 |
45 |
45 |
50 |
Bulk density (g/cm3) |
110℃×24h |
1.3±0.1 |
1.5±0.1 |
1.8±0.1 |
2.0±0.1 |
Compressive strength Mpa ≥ |
110℃×24h |
5 |
6 |
7 |
8 |
|
1350℃×3h |
10 |
15 |
15 |
15 |
|
Permanent change(%) |
1350℃×3h |
-1.0～0 |
-1.0～0 |
±0.5 |
±0.5 |
|
Thermal
conductivity W/ (m·K) ≤ |
700℃ |
0.40 |
0.65 |
0.70 |
0.75 |
|
1000℃ |
0.45 |
0.75 |
0.85 |
0.90 |
|
|
Main raw material |
Micro-pored mullite
light weight aggregate |
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