Products Description
Oil transformer Insulation Materials 6650 NHN produced by our company is composed of a golden polyimide film laminated with DuPont nomex® 464 on both sides.
The adhesive used is acid-free and resistant to high temperatures.
Oil transformer Insulation Materials 6650 NHN has good mechanical properties (tensile strength and edge tearing properties) and electrical properties. Its surface is smooth, which can ensure trouble-free use when producing low-voltage motors using automatic offline machines.
| NO. | Item | Unit | Index | ||||
| 1 | Nominal thickness | mm | 0.15 | 0.20 | 0.25 | ||
| 2 | Tensile strength | Longitudinal | Non-bending | N/10mm | ≥120 | ≥160 | ≥200 |
| After bending | ≥70 | ≥90 | ≥150 | ||||
| Horizontal | Non-bending | ≥80 | ≥100 | ≥120 | |||
| After bending | ≥50 | ≥80 | ≥100 | ||||
| 3 | Elongation | Longitudinal | Non-bending | % | ≥10 | ||
| Horizontal | Non-bending | ≥8 | |||||
| 4 | Breakdown voltage | Non-bending | KV | ≥7 | ≥11 | ≥13 | |
| After bending | ≥6 | ≥9 | ≥12 | ||||
| 5 | Normal adhesion | 一 | No stratification | ||||
| 6 | Thermal adhesion(200±2C10min) | - | No delamination,no blister,no glue flow | ||||
| 7 | Long-term heat resistance index,temperatureindex(TI) | ℃ | ≥180 | ||||
| 8 | Storage life | Month | 12 | ||||
Product advantages
1.Thermal Class H (180°C) – Suitable for long‑term operation in high‑temperature electrical systems
2.High Dielectric Strength – PI film core significantly improves breakdown voltage
3.Excellent Mechanical Strength – Resistant to tearing, vibration, and mechanical stress
4.Good Flexibility & Processability – Easy cutting, slot insertion, and forming
5.Stable Chemical Performance – Compatible with transformer oil, varnish, and resin systems
6.Reliable Insulation Structure – Balanced electrical and mechanical performance
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FAQ
Q：Can you do our design?
A：Of course, your customized design (OEM) is available.
Q：Can you make our design for the package?
A：Yes, please send us the design you need ,we will value the price and make the exact same package basing on your design.
Q: I don't see my designed dimensions/ packaging/ delivery etc. Can you make a special order for us?
A: Sure. We're truly customized. You're free to tell us whatever you want.
Q: Do you deal with urgent orders?
A: Sure. Please contact ASAP for details.
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