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LCC&ULCC have the characteristics of small porosity, high density, good volume stability, high strength and small water addition. At the same time, LCC&ULCC overcomes the characteristics of the common castable that the strength of the castable decreases significantly at 800~1200℃, strength of LCC&ULCC increases with the increase of temperature. What is more, it has excellent thermal shock resistance, slag resistance and corrosion resistance.
|
Item |
Specification |
|||
|
Clay |
High Alumina |
Corundum |
||
|
Al2O3 % |
≥45 |
≥75 |
≥98 |
|
|
CaO % |
＜1.8 |
＜1.5 |
＜1.0 |
|
|
Bulk Density, g/cm3 |
110℃×24h |
≥2.3 |
≥2.6 |
≥3.1 |
|
1350℃×3h |
≥2.26 |
≥2.61 |
/ |
|
|
1550℃×3h |
/ |
/ |
≥3.00 |
|
|
CCS, MPa |
110℃×24h |
≥70 |
≥75 |
≥85 |
|
1350℃×3h |
≥85 |
≥90 |
/ |
|
|
1550℃×3h |
/ |
/ |
≥100 |
|
|
CMOR, MPa |
110℃×24h |
≥6 |
≥8 |
≥9 |
|
1350℃×3h |
≥8 |
≥9 |
/ |
|
|
1550℃×3h |
/ |
/ |
≥11 |
|
|
PLC, % |
1000℃×3h |
-0.3 |
-0.2 |
-0.2 |
|
1350℃×3h |
±0.3 |
±0.5 |
/ |
|
|
1550℃×3h |
/ |
/ |
±0.5 |
|
|
Max Working Temperature, ℃ |
1450 |
1600 |
1800 |
|
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