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Ramming mass for furnace hearth
| Item | Chemical composition（%） | |||
|---|---|---|---|---|
| MgO | SiO2 | Fe2O3 | CaO | |
| Ramming mass for furnace hearth | ≥80 | ≤1.5 | 4-6 | 7-9 |
| Item | Chemical composition（%） | |||
|---|---|---|---|---|
| MgO | SiO2 | Fe2O3 | CaO | |
| Ramming mass for furnace hearth | ≥80 | ≤1.5 | 4-6 | 7-9 |
