Seepage-proof pouring material
Category:
Castable
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Details Introduction
During use, it can react with alkali metal ions in the electrolyte to form a barrier membrane, thereby achieving the purpose of impermeability. The impermeable casting material has low thermal conductivity and volume density. On one hand, it has a large thermal resistance to heat transfer from high temperature to low temperature, reducing heat loss on continuously operating equipment; on the other hand, due to its small heat capacity, it has good thermal insulation properties.
| Project |
Impermeable casting material |
||
| Al₂O₃/% |
≥40 |
≥45 |
|
| Volume density g/cm3 |
≥2.2 |
≥2.3 |
|
| Room temperature compressive strength/MPa |
110℃×24h |
≥40 |
≥45 |
| 1100℃×3h |
≥60 |
≥70 |
|
| Room temperature flexural strength/MPa |
110℃×24h |
≥6 |
≥7 |
| 1100℃×3h |
≥8 |
≥9 |
|
| Linear change rate, %, 1100℃×3h |
±0.3 |
±0.3 |
|
Key words:
Seepage-proof pouring material
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