Special fireclay brick special high alumina brick
AL2O3,% Min42 Min60
Fe2O3,% Max1.8 Max1.2
K2O+Na2O,% Max1.2 Max0.7
Refractories temp Min1750C Min1790C
RUL0.2MPa Min1450C Min1600C
BD,g/cm3 Min2.25 Min2.55
AP,% Max18 Max18
CCS,MPa Min55 Min60
Creep(0.2Mpa 1280C*50h) Max0.4% Max0.4%
PLC,% 1450C*2h ±0.1 1500C*2h ±0.1
Thermal expansion Max0.3% Max0.4%
TSR Min40cycle Min35cycle
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