well block and slot plugWell block for ladle and tudishBrandSpecificationLM85LM90LM95LMT80LMT85Al2O3 +MgO ≥ %8590858055Cr2O3 (C) ≥ % 02.52.5(4)(3)Apparent porosity g/cm3% ≤15131366Bulk density g/cm3 ≥ %3.03.052.93.03.05Normal temperature ≥Compressive strength (MPa)801001006060Porous brick BrandSpecification LM85LM90Al2O3 +MgO ≥ %9295Cr2O3 (C) ≥ % 44Apparent porosity g/cm3% ≤1513Bulk density g/cm3 ≥3.103.15Normal temperature Compressive strength (MPa) ≥150150