Low-cement castable is developed by combinding blinder and high efficient additive. It is noted for high density, high strength,
Low-cement castable is developed by combinding blinder and high efficient additive. It is noted for high density, high strength, good quality under high temperature, good erosion resistance and good thermal shock resistance. It can used in heating furnace, electric stove and converter.
Main Properties:
Index | Item | |||||
DL50 | DL60 | DL70 | DL80 | DL90 | ||
Al2O3,%≥ | 50 | 60 | 65 | 70 | 90 | |
CaO,%≤ | 2.5 | 2.2 | 2.0 | 2.0 | 1.8 | |
Bulk density,g/cm3≥ | 2.35 | 2.45 | 2.50 | 2.60 | 2.95 | |
C.C.S,Mpa≥ | 110 Deg.C x24h | 20 | 25 | 30 | 30 | 40 |
1000Deg.Cx3h | 45 | 50 | 55 | 55 | 65 | |
1400Deg.Cx3h | 60 | 65 | 70 | 70 | 80 | |
Liner change after heating,% | 1400Deg.Cx3h | ±0.5 | ±0.4 | ±0.4 | ±0.3 | ±0.4 |
Max service temperature,Deg.C | 1400 | 1450 | 1500 | 1550 | 1650 | |
Water quantity of using,% | 6~7.5 | 6~7.5 | 6~7.5 | 6~6.5 | 6~6.5 | |
