Forehearth substucture
| Group of materila | Brand name | |
| Channel shapes | Zircon Mullite | REFCAST Z20-C |
| REFCAST ZPAVE-C | ||
| Insulation | Aluminium Silicate | REFMON CERFIBRE 1260 |
| REFMON CERFIBRE 1400 | ||
| Calcium Silicate | REFMON CaSi 1000 | |
| REFMON CaSi 1100 |
| Group of materila | Brand name | |
| Channel shapes | Zircon Mullite | REFCAST Z20-C |
| REFCAST ZPAVE-C | ||
| Insulation | Aluminium Silicate | REFMON CERFIBRE 1260 |
| REFMON CERFIBRE 1400 | ||
| Calcium Silicate | REFMON CaSi 1000 | |
| REFMON CaSi 1100 |