Electrical composite polyester film
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- Details
Electrical composite polyester film is composite polyester film is mainly used as the insulator between high-low voltage coils in the dry type transformers, and can also be used as turn or backing insulating in the motor or other high voltage electrical equipment.
Tecommended width:
1000mm、1200mm、1400mm、1500mm,Tailor-made width is available.
Storage
The product should be stored in dry,clean and well-ventilated warehouse under 30℃.The fire,heat sources and direct sunshine should be avoided.
| No. | Property | Unit | Requirements | ||||
| 1 | Nominal thickness | mm | 0.5 | 0.9 | 1.1 | ||
| 2 | Tolerance of thickness | mm | ±0.045 | ±0.09 | ±0.11 | ||
| 3 | Quantify and tolerance | g/m² | 700±85 | 1300±130 | 1500±180 | ||
| 4 | Film thickness | Hm | 250 | 188 | 350 | 350 | |
| 5 | Tensile strength | MD | N/10mm Width | ≥350 | ≥600 | ||
| CD | ≥350 | ≥600 | |||||
| 6 | Elongation | MD | % | ≥30 | ≥50 | ||
| CD | ≥30 | ≥50 | |||||
| 7 | Breakdown voltage | kV | ≥25 | ≥30 | |||
