Low cement castable Ultra-low cement castable Cement-free castable
DL-70 DL-90 CDL-75 WNJ-75
AL2O3,% Min70 Min90 Min75 Min75
CaO,% Max1.5 Max1.2 Max1.0 /
Refractoriness,C Min1790 Min1790 Min1790 Min1790
BD,110C*24H Min2.65 Min3.15 Min2.70 Min2.73
1500C*3H Min2.60 Min3.1 Min2.65 Min2.70
CS,110C*24H Min30MPa Min60MPa Min40MPa /
1500C*3H Min60MPa Min100MPa Min100MPa Min95MPa
MOR,110C*24H Min5MPa Min10MPa Min9MPa Min3.9MPa
1500C*3H Min15MPa Min15MPa Min13MPa Min13.5MPa
PLC,% ±0.5% ±0.5% ±0.5% ±0.5%
Service temp. 1500C 1650C 1550C 1550C
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