Porous plugs is used to comprehensive range of designs and materials available to suit Steel, Ferrous & Non-Ferrous Foundry.
Item | Porous plugs | Gas-blowing bricks |
Chemical composition % | Al2O3+Cr2O3 94.5 | MgO+C 90% |
Bulk density g/cm3 After 1500×3h | 3.12 | 2.87 |
Cold Crushing Strength MPa After 1500×3h | 60 | 25 |
Modulus of Rupture MPa After 1500×3h | 10 | 8 |
Permannent linear change % After 1500×3h | 0~ +0.1 | |
Max. Service of temperature | 1780 | 1850 |
Application | Ladle Bottom | BOF Bottom |