Description of Low&Ultra-low Cement Castable:
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.
Technique Data of Low&Ultra-low Cement Castable:
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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