Fire Clay Brick

Fire Clay Brick SK series Fire Bricks are widely used in metallurgy furnace and other various kinds of kilns. SK32 SK34 SK36 SK38 AL2O3 (%) 30 38 55 70 FE2O3 (%) 3.00 2.50 2.00 2.00 B.D (G/CM3) 2.0-2.1 2.10-2.15 2.20-2.30 2.40-2.50 REFRACTORINESS (SK) 32 34 36 38 APPARENT POROSITY(%) 22-26 20-24 20-23 20-22 COLD CRUSHING STRENTH (MPA) 22 25 45 50 REFRACTORINESS UNDER LOAD AT 0.2MPA (°C) 1300 1350 1450 1520 THERMAL EXPANSION COEFFICIENT AT 1000 °C 0.6 0.6 0.3 0.2 SIZE 230MM X114MM X76MM or as customer’s requirements PACKING Wooden pallet with P. P cover, finally tied up with steel strip.