6021 Insulation film /polyester film
Polyester film film is biaxially oriented pet film. This product offers an excellent combination of properties including low coefficient of friction, excellent lamination, good shape retention and spring effect, and high dielectric strength.
Application:
For low-voltage motors, electrical coils turn insulation, ends wrap insulation, liner insulation, magnetic wire insulation, capacitor dielectric slot insulation of E and B class motor, For cable wrapping, transformers and composite materials making;
also used in packaging, glass steel, clothing collar lining and other occasions.
The specifications:
Thickness(mm):0.1mm 0.125mm, 0.15mm 0.188mm 0.25mm, 0.30mm, 0.35mm and customized
Width: 1m and customized
Form; In Rolls, Sheets or Strips
Pacage: Carton and pallet
Technical Data:
| Properties | Units | Values | |||
| Tensile strength (MD and TD) | 25μm~100μm | MPa | ≥150 | ||
| >100μm~190μm | ≥140 | ||||
| >190μm | ≥110 | ||||
| Elongation at break (MD and TD) | 25μm~50μm | % | ≥60 | ||
| >50μm~350μm | ≥80 | ||||
| Shrinkage (MD and TD) | 25~190μm | % | ≤3.0 | ||
| >190μm | ≤2.0 | ||||
| Volume resistivity | Ω·M | ≥1.0×1014 | |||
| Relative dielectric constant (50Hz) | / | 2.9~3.4 | |||
| Dielectric dissipation factor (50Hz) | / | ≤5.0×10-3 | |||
| Density | kg/m3 | 6020 | 6021 | ||
| 1390±10 | 1400+10-20 | ||||
| Melting point | °C | ≥256 | |||
| Surface resistivity | Ω | ≥1.0×1013 | |||
| Electrolytic corrosion | Ocular estimate | Class | A1 | ||
| Metallic conductivity tensile Strength method | % | ≤2 | |||
| Dimensional stability in high temp. | With tension | °C | ≥200 | ||
| With pressure | ≥200 | ||||
| The quality warranty period | Twelve months | ||||
