Collector Nozzle is made of tabular alumina, white fused alumina, sintered spinel, flake graphite and anti oxidant. Item LKX-65 LKX-75 LKX-85 Al2O3, (%) > 65 75 83 C, (%) > 2 3 3 Density (g/cm3) 2.75 2.80 2.85 Zirconia Inserts Tundish Metering Nozzle Zirconia Sliding Gate Insert Atomising Nozzle Slide Gate Plate Inner Nozzle (Upper Nozzle) Collector Nozzle Well Block & Porous Plug