Refractory Product SpecificationsZPBL-1:W(MgO)/% ≥: 80W(CaO)/% ≥: 5PLC (1500℃×3h)/%: -2.0~0Size (mm): 0~3ZPBL-2:W(MgO)/% ≥: 82W(CaO)/% ≥: -PLC (1500℃×3h)/%: -2.0~0Size (mm): 0~4Gunning mix for converterQuantity*