Description of High Alumina Wear-resistant Refractory Castable:
Our high alumina wear-resistant refractory castable has good volume stability, high strength, high wear resistance, good thermal shock resistance and corrosion resistance, and also good resistance to cracking and peeling during use.
Technique Data of High alumina Wear-resistant Refractory Castable:
Item | Specification | ||||
NM-1 | NM-2 | NM-3 | NM-4 | ||
Al2O3 % | ≥70 | ≥75 | ≥80 | ≥85 | |
Bulk Density, g/cm3 110℃×24h | ≥2.6 | ≥2.75 | ≥2.8 | ≥2.9 | |
CCS,MPa | 110℃×24h | ≥60 | ≥65 | ≥70 | ≥75 |
1400℃×3h | ≥90 | ≥95 | ≥105 | ≥110 | |
CMOR, MPa | 110℃×24h | ≥8.5 | ≥9 | ≥10 | ≥11 |
1400℃×3h | ≥13 | ≥14 | ≥15 | ≥16 | |
Cold Wear Loss, cm3 | ＜9.6 | ＜8.5 | ＜7.3 | ＜6 | |
0.2MPa RUL,℃ | ＞1450 | ＞1490 | ＞1530 | ＞1560 | |
TSR, Cycle 900℃ Water | ＞20 | ＞20 | ＞20 | ＞20 | |
Max Working Temperature, ℃ | 1550 | 1550 | 1600 | 1600 | |
PLC, % | ＜-0.3 | ＜-0.3 | ＜-0.2 | ＜-0.2 | |
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