Forehearth upperstucture
| Group of material | Brand name | |
| Burners | Andalusite | REFCAST S60 C |
| Mullite | REFCAST M70 C | |
| Insulation | Fireclay | REFCOMP A40 |
| Andalusite | REFCOMP S55 | |
| REFCOMP S60 | ||
| Aluminium Silicate | REFMON ISOL 23 | |
| REFMON ISOL 24 | ||
| REFMON ISOL 25 | ||
| REFMON ISOL 26 |