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Electrical insulation laminated polyester film from Hanyao factory is a two- or multi-layer flexible composite material made of polyester film coated with adhesive and bonded to one or both sides. It has excellent mechanical properties, electrical strength, heat resistance and dimensional stability.
This product has high requirements for temperature resistance, so we insist on using the highest quality heat-resistant adhesives.Apart from the adhesive, we source every layer of film used in the production process from world-renowned manufacturers.Only by controlling every step can we produce qualified products to supply our customers.In addition to standard widths, we can also customize products to produce various widths to meet different customer needs.
| Item | Unit | Size | ||
| Nominal thickness | mm | 0.5 | 1.1 | 1.5 |
| Thickness deviation | ％ | ±10 | ±10 | ±10 |
| Weight per sqm | g/m2 | 700 | 1480 | 2050 |
| Weight per sqm deviation | ％ | ±10 | ±10 | ±10 |
| Each film thickness | μm | 250 | 350 | 350 |
| Electrical strength （not bend） | KV | ≥25 | ≥30 | ≥40 |
| Hot adhesion（180℃±2℃，10min） | No separation, no bubbling, no glue dripping | |||
| Long-term heat resistance (temperature index, TI) | ≥155℃ | |||
Disclaimer: The performance figures, parameters, and features described are typical values under specific test conditions and may vary in actual applications. They do not constitute a warranty or guarantee of performance under all conditions. Users are responsible for verifying the suitability of the product for their intended application.
1.Electrical insulation laminated polyester film is able to withstand temperature upto 155℃
2.The product has a shelf life of 12 months when stored at room temperature.
3.It can be used for insulation between high and low voltage coils of dry-type transformers, and can also be used in motors and electrical appliances as slot insulation, turn-to-turn insulation and pad insulation.
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No. 35, Dongfu Road, Industrial Area, Suzhou City, Jiangsu Province, China
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For inquiries about Electrical Insulation Materials On Oil Type Transformers, Electrical Insulation Materials On Dry Type Transformers, Electrical Insulation Materials On Motors or price list, please leave your email to Hanyao and we will be in touch within 24 hours.
