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 |
Functional Refractory Products – Inner Nozzle (Upper Nozzle)Functional Refractory Products – Well Block & Porous Plug