Refractory Product SpecificationsHB-18M:W(Al₂O₃)/% ≥: 4W(MgO)/% ≥: 90W(C)/% ≥: 3A.P./% ≤: 10B.D./(g/cm³) ≥: 3.07C.C.S./MPa ≥: 85HB-113A:W(Al₂O₃)/% ≥: 67W(MgO)/% ≥: 30W(C)/% ≥: 3.5A.P./% ≤: 10B.D./(g/cm³) ≥: 3.00C.C.S./MPa ≥: 150Basic sliding gate plateQuantity*