6520/6521Polyester film/Presspaper flexible Laminate is a two-layer flexible composite material.
According to different thicknesses 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.
2. Features and Aplication:
- Insulation class: E class (120 ° 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.
Form: Roll, sheet, strip
Colur: Cyan, nature brown. Special colours can be provided on request.
Three or four layers can be produced on request.
4. Layers structure:
Base Layer: 100% Sulfate wood pulp presspaper (IEC 60641 Standard)
Outer Layer: Polyester film(PET) for Electrical Purposes (IEC 60674 Standard)
Passed RoHS Stardard 2002/95/EC test, green electric products with leed-free, nickel-free and Cadmium-free.