6021 polyester film is bi-axially oriented polyethylene terphthalate (PET) film. 6020 is a transparent film,6021 is a milky white film. It is Class E(120℃) insulation.
Advantages: It has excellent electrical, mechanical, and impregnating properties. It also has excellent tensile strength, reliable heat resistance and good voltage characteristic.
Properties. Application: It is suitable for electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motor, wrapping insulation for coils and cables, as well as producing insulating flexiblecomposite material.
| Product Type: | 6021 milky white film |
| Material: | polyester film |
| Application: | Transformer and motor |
| Class: | E class 120° |
| Feature: | As insulating film |
| Ingredient: | Polyethelene terephthalate |
| Color: | Transparent and milky |
| Width: | customizable |
Characters of electrical insulation materials 6021milky white Polyester Film:
It is class E(120 °C) insulating material.
This product has good dielectrical and high mechanical properties.
Index | Unit | Values | |
Tensile strength ( MD and TD)
| 25-100 μm | Mpa | ≥150 |
>100-190 μm | ≥140 | ||
>190 μm | ≥110 | ||
Break elongation( MD and TD)
| 25-50 μm | % | ≥60 |
>50-350μm | ≥80 | ||
Shringkage(MD and TD)
| 25-190μm | % | ≤3.0 |
>190 μm | ≤2.0 | ||
Volume resistivity | Ω.m | ≥ 1.0*10^14 | |
Relative dielectric constant (50HZ) | -- | 2.9-3.4 | |
Melting point | ℃ | ≥256 |
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