Fire clay brick SK-32 SK-34 - yqhuaxu

Fire clay brick SK-32
Item Standard
AI2O3(%) 30
Fe2O3 (%) 3.5
Refractoriness (SK) 32
Refractoriness under load,
0.2MPa, Ta, (°C) 1300
Porosity (%) 22-26
Bulk density (g/cm³) 2.05
Cold crushing strength (MPa) 25
Thermal expansion at 1000°C (%) 0.6

SK-34
Item Standard
AI2O3(%) 45
Fe2O3 (%) 2.0
Refractoriness (SK) 34
Refractoriness under load, 0.2MPa, Ta, ((°C) 1350
Porosity (% 19-23
Bulk density (g/cm³) 2.10-2.15
Cold crushing strength (MPa) 25
Thermal expansion at 1000°C (%) 0.6