Refractory Product SpecificationsDTC-1:W(MgO)/% ≥: 45W(SiO₂)/% ≤: 40Size/mm: 2~6DTC-2:W(MgO)/% ≥: 82W(SiO₂)/% ≤: 1.2W(CaO)/%: 5~9W(Fe₂O₃)/%: 4~6Size/mm: 2~6Tap hole filling mix for EAFQuantity*