PI Film Insulation High Temperature for Transformer
Specifications
High thermal,excellent dielectric strength
Polymide film has excellent dielectric strength and good heat resistance and mechanical property for protection of wire and motor.
Thermal class: -270°C~+400°C
| Item | Unit | Index | ||||||
| Appearance | - | Transparent and gold color , no fold, no pinhole | ||||||
| Thickness | um | 25 | 50 | 75 | 100 | 125 | 150 | 175 |
| Tolerance | % | ±3.0 | ±5.0 | ±7.5 | ±10 | ±12.5 | ±15 | ±17.5 |
| Width | mm | 10~1000 | 10~940 | |||||
| Tensile strength | Mpa | >=140 | >=120 | |||||
| Elongation at break | % | >=40 | >=69 | |||||
| Dielectric strength | MV/m | >=150 | 60120 | |||||
| Surface resistivity | Ω | >=1.0x1013 | ||||||
| Volume Resistivity | Ω.cm | >=1.0x1010 | ||||||
| Dielectric constant | - | 3.5±0.4 | ||||||
| Dielectric dissipation factor | - | <=3.6x10-3 | ||||||
| Thermal stability | °C | >=180 | ||||||
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