Refractory Product SpecificationsMCF-D7:W(MgO)/% ≥: 80W(CaO)/%: 7~9W(Fe₂O₃)/%: 4~6W(SiO₂)/% ≤: 1.2Size/mm: 0~6MCF-D20:W(MgO)/% ≥: 60W(CaO)/%: 20~25W(Fe₂O₃)/%: 4~6W(SiO₂)/% ≤: 1.2Size/mm: 0~6Ramming mass for EAF hearthQuantity*