Polyester Film-DuPont Nomex Laminate Materia - NMN
6640NMN is made of two layers of Du Pont Nomex paper with one of polyester film. It shows excellent mechanical and electrical properties and good heat resistance.
Thermal class: F.
Application: It is widely used in slot, phase and liner insulating of motor,transformer and so on.
Specification:
No | Item | Unit | Index |
1 | Thickness | mm | 0.15 | 0.18 | 0.20 | 0.23 | 0.25 | 0.30 | 0.35 | 0.50 |
2 | Thickness tolerance | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.04 | ±0.04 | ±0.045 |
3 | Specific Weight | g/㎡ | 165 | 193 | 233 | 273 | 304 | 359 | 405 | 628 |
4 | Tensile Strength | Longitudinal direction |
unfold
| N/10mm | 184 | 209 | 235 | 272 | 305 | 327 | 405 | 560 |
fold
| 185 | 207 | 221 | 255 | 273 | 315 | 353 | 540 |
Transverse direction |
unfold
| 147 | 191 | 217 | 273 | 297 | 369 | 396 | 550 |
fold
| 147 | 187 | 213 | 265 | 288 | 367 | 372 | 520 |
5 | Breakdown voltage | KV | ≥7 | ≥9 | ≥11 | ≥12 | ≥13 | ≥15 | ≥16 | ≥22 |
6 | Thermal class | - | F |
7 | Test method | - | GB/T 5591.2-2002 |
