6640(NMN)-Nomex paper/Polyester film/Nomex paper composite material is is made of two layers of Du Pont Nomex paper with one of polyester film.

Features and Applications:
- Class F insulation (155 degree)
- Excellent Heat Resistance, dielectric property and Mechanical Strength.
- Good cutting and overload resistance, high stiffness. Good compatibility with insulation varnish.
- As slot, interturn and liner insulation for F-grade motor and electric appliances.

Availability:
- Thickness: NMN: 0.15mm-0.4mm, NM: 0.10mm-0.35mm
- Form: Rolls(width 914mm), sheets, strips(width >5mm)