Insulating is the basic element to guarantee the reliability in time. After many years of experience we have chose the production range of Dupont®:
| a) name | Mylar® | Classe B |
| Nomex® Mylar® | Classe F | |
| Nomex® | Classe H | |
| b) thickness | 0.26 Fondo Cava | |
| 0.31 Chiusura Cava | ||
| c) homologation | UL>155 | |
| File n° E34739 R | QMFZ2 | |
| File n° E93687 R | QMFZ2 | |
| IEC 626-3 SHEET | 302 | |
| IEC 626-3 SHEET | 303 | |
| IEC 626-3 SHEET | 312 | |
| IEC 626-3 SHEET | 313 |


