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Hanyao is a professional factory, our Polyester Mylar Film is a thin, flexible plastic sheet made of polyethylene terephthalate (PET), renowned for its high strength, chemical resistance, and good thermal stability. Due to its excellent physical, optical, and electrical properties, polyester film is a widely used material in packaging, electronics, printing, and solar energy industries.
Biaxially oriented polyester film (BOPET) is a common type of polyester film; its strength and transparency can be enhanced through stretching.It can be used alone or in combination with other insulating materials.It is very strong and resistant to tearing and impact and able to maintain its properties when exposed to most chemicals.This product is manufactured using a biaxial stretching process, resulting in excellent thickness uniformity and dimensional stability.It is an ideal insulating material for transformers and motors.
| No. | Item | Unit | Technical Requirements | ||||
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Thickness | mm | 0.05 | 0.1 | 0.188 | 0.3 | |
| 1 | Width Tolerance | mm | ±2 | ±2 | ±2 | ±2 | |
| 2 | Unit Weight | G/M2 | 71.4 | 142.8 | 268.5 | 428.4 | |
| 3 | Thickness | um | ±3 | ±3 | ±4 | ±4 | |
| 4 | Tensile Strength | MD | MPa | ≥150 | ≥150 | ≥150 | ≥150 |
| TD | |||||||
| 5 | Elongation | MD | ％ | ≥90 | ≥90 | ≥90 | ≥90 |
| TD | |||||||
| 6 | Heat Shringkage（150℃, 30min） | MD | ％ | ≤2 | ≤2 | ≤2 | ≤2 |
| TD | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | |||
| 7 | Dielectric Strength | KV | ≥6.5 | ≥9 | ≥12 | 16.5 | |
| 8 | Working temperature | ℃ | -70℃~150℃ | ||||
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.Polyester Mylar Film is able to withstand temperature upto 130℃
2.It has two colors transparent and milk white.
3.It has excellent mechanical and eletrical strength.
4.It is suitable for the insulation of dry type transformer and motor winding.
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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.
