6520 / 6521 Electrical Insulating Paper With Polyester Film

We are offering our customers a wide range of 6520 / 6521 Electrical Insulating Paper with Polyester Film. According to different thickness of Polyester film, 6520/6521 Polyester film/Presspaper can be divided into 6520-23 6520-36 6520-50. The thicker Polyester film you choose, the higher electrical strength is.
Features and Applications of 6520 / 6521 Electrical Insulating Polyester Film :
- Insulation class: E class (120 A C)
- Polyester film/Presspaper has high mechanical strength and excellent dielectric property.
- As slot, interturn and liner insulation for E-grade motors, generators and electric appliances.
- Also used for slot insulation, closures or covers, overhang, interphase insulation and layer insulations for Dry-type transoformers and motors.

Availability:
Form: roll, sheet, strip
Colur: cyan, nature brown. Special colours can be provided on request.
Three or four layers can be produced on request.

Layers structure:
Two layers:
Base Layer: 100% Sulfate wood pulp presspaper (IEC 60641 Standard)
Outer Layer: Polyester film(PET) for Electrical Purposes (IEC 60674 Standard)