Polyester Film/Nomex paper Flexible Composite Material (NMN)
 

Polyester film/Nomex paper flexible composite material (NMN) is a three-layer flexible laminate in which Du Pont Nomex paper is bonded to the two sides of polyester film.

Characters
It is Class F (155° C) insulating material.
This product has high mechanical strength, excellent electrical property, and good heat proof functions.

Application
It is suitable for F-class electrical motors as slot liner and turn-to-turn insulation.

 
Properties Unit Values
Nominal Thickness mm 0.15 0.18 0.2 0.23 0.25 0.3 0.35
Thickness tolerance mm 0.02 0.03 0.04
Grammage g/m²

180 ± 25

210 ± 30

240 ± 30

260 ± 35

300 ± 40

350 ± 50

430 ± 50

Tensile strength MD

No bending

N/50mm ≥ 150 ≥ 160 ≥ 180 ≥ 200 ≥ 220 ≥ 270 ≥ 320

After bending

≥ 80 ≥ 110 ≥ 130 ≥ 150 ≥ 180 ≥ 200 ≥ 250
MD

No bending

≥ 90 ≥ 110 ≥ 130 ≥ 150 ≥ 180 ≥ 200 ≥ 250

After bending

≥ 70 ≥ 90 ≥ 110 ≥ 130 ≥ 150 ≥ 170 ≥ 200
Elongation MD % ≥ 10 ≥ 12
TD ≥ 15 ≥ 18
Breakdown voltage

No bending

KV ≥ 7 ≥ 10 ≥ 11 ≥ 12 ≥ 13 ≥ 15 ≥ 20

After bending

≥ 6 ≥ 8 ≥ 9 ≥ 10 ≥ 12 ≥ 13 ≥ 16
Bonding property at room temp.

No delamination.
Bonding property at 180°C ± 2°C, 10 min

No delamination, no bubble, no adhesive flow.
Temp. index of heat-resistance in a long term (TI)   ≥ 155
 

* Material can also be supplied as per customer’s specification.

 
 
<< back to main page
 
Copyright © Vijaya Mercantile Ltd. All Rights Reserved Site Designed by Palcom Web Pvt. Ltd.