6021 Polyester film is biaxially oriented polyethelene terphthalate(PET) film .
Application:
It is suitable for electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motor, wrapping insulation coils and cables, as well as producing insulating flexible composite material.
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 |
