Common phosphate brick High RUL phosphate brick
AL2O3,% Min75 Min80
Fe2O3,% Max3.2 Max2.0
CaO,% Max0.6 /
Bulk density,g/cu.cm Min2.70 Min2.90
Apparent porosity,% / Max18
CCS,MPa Min70 Min80
PLC,% / 0.3
Thermal Shock Resistance / Min20
RUL(T0.6),MPa Min1350 Min1500
Refractoriness Min1780C Min1790C
Application Preheating zone,burning and cooling zone of cement rotary kiln.cooling
machine and working lining of shaft kiln.
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