6640NMN Nomex paper/Polyester film/Nomex paper flexible composite materia

Product advantage

Manufacture 6640 class h insulation material nmn dupont nomex paper nmn film

–6640 Nomex paper/Polyester film/Nomex paper flexible composite material is made of two layers of Du Pont Nomex paper with one layer of polyester film.
–According to different thicknesses of Nomex paper, 6640 NMN can be divided into two kinds. The thicker one(0.04mm) with yellow line, the other one(0.05mm) with orange line.
–The thicker Nomex paper you choose, the higher electrical strength is.

–The insulation system has been approved by UL (NO.: E310670) and the products have passed ROHS and RECH test.

Nominal thickness
Thickness tolerance
Bonding property  at room temp.
No delamination
Bonding property at 180℃±2℃ 10min
No delamination, no bubble, no adhesive flow
Temp. index of heat-resistance in a long term (TI)
The quality warranty period
Twelve months
Product details

–Insulation class: F/H class (155/180 °C)
–Nomex paper/Polyester film/Nomex paper has 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 motors and electric appliances.

–Form: roll, sheet, strip
–Colur: White sheet with orange or yellow line.

–Three layers: polyester film is bonded with Nomex paper.
–Middle Layer: Polyester film(PET) for Electrical Purposes.
–Outer Layer: Nomex paper.

DMD crepe cryogenic mylar insulation paper for motor is wrapped by proctective film;
DMD crepe cryogenic mylar insulation paper for motor is packed by standard import & export cartons or.iron pallets.

Polyimide filmmainly applicable to H-class motor and electrical insulation

About us

There are 300 workers in our factory, and the annual output of our factory is 50 million tons.

In the recent years, when continued in introducing elitists , the factory has also taken in advanced
production equipment and gradually improved its comprehensive developing force.


Certificate and team

Yaan is a young dynamic organized and disciplined and passionate young international team
founded by, is a growth-oriented company and thinking. Simple, stylish, personalized office
environment has always been our style!

Our customer is all over the world,and we have more than 10 years import & export experience
All the finished products are displayed in the exhibition hall.


1.Q: Are you trading company or manufacturer ?
A: We are a manufacturer, We have more than 32 years experience in producing electrical insulation material.
2.Q: Where is your factory located? How can I visit there?
A: Our factory is located in Xuchang,Henan provience.
3.Q: Which certification do you have?
A: The plant has passed the certificate of ISO 9001 quality system certification;
The insulation system has been approved by UL;
The products have passed ROHS test.
4.Q: Can i get a samples for free?
A: Of course we can sent you a sample for free, customers just need to pay a litter shipping change.
5.Q: How long is the delivery time?
A: Generally it is 5-15 days if the goods are in stock, or it is 15-30 days.

Contact Us

Company name:Henan Yaan Electric Power Technology Co., Ltd
Sales Department Address:No.1404,14 floor, builiding 5, Henan Electronic Commerce Industrial Park,26 Zhengzhou high tech Industrial Development Zone
Factory address:West Industrial Parks, Weidu District, Xuchang, Henan 461000,China
Phone:400-7707-168 0371-55572250/60 19937611577
Fax: 0371-55626022
Whatsapp: +86 19937611577

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