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Liuzhai Town, Xinmi City, Henan, China, 452370
Technical Dates of Alkali Resistance Refractory Castable
ITEM | COMMON TYPE GT-13N | HIGH-STRENGTH TYPE GT-13NL | LOW-CEMENT HIGH-STRENGTH TYPE GT-15B | |
Al2O3(%) ≥ | 48 | 48 | 75 | |
SiO2(%)≤ | 50 | 50 | 20 | |
Bulk Density g/cm3 ≥ | 2.2-2.4 | 2.2~2.4 | 2.6 | |
Cold Crush Strength MPa ≥ | 110℃x24h | 40 | 70 | 100 |
1100℃x3h | 30 | 70 | 100 | |
Modulus Rupture MPa ≥ | 110℃x24h | 5 | 7 | 10 |
1100℃x3h | 4 | 7 | 10 | |
Linear Change After Reheating （1100℃x3h） ％ | -0.1~-0.5 | -0.1~-0.5 | -0.1~-0.5 | |
Maximum Service Temperature ℃ | 1300 | 1300 | 1500 | |
Alkali Resistance | 1~2 | 1~2 | 2~3 | |
Water Required | 8~9 | 6~7 | 5.5~7 | |
Installation Method | Vibration | Vibration | Vibration | |
Main Use | 1", 2nd and 3rd lining of preheater | lining in lower stage preheater and precalciner of cement kiln. | hood of kiln door, precalciner and cooler of cement kiln. | |
