ZGN-42 GN-42
AL2O3 Min42% Min42%
Fe2O3 Max1.6 Max1.7
Refractories temp Min1750C Min1750C
AP Max15 Max16
CCS Min58.5MPa Min49MPa
RUL 0.2MPa Min1450C Min1450C
PLC(1450C*3h) 0~ -0.2% 0~ -0.3%
Permeability The test data shall be included in the quality certificate.