Polyimide Film/Nomex paper Flexible Composite Material (NHN)

Polyimide film/Nomex paper flexible composite material (NHN) is made of two layers of Du Pont Nomex paper with one of polyimide film.

Characters
It is class H (180° C) insulating material.
This product has good dielectric property, high heat resistance and mechanical strength.

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

Properties			Unit	Values
Nominal Thickness			mm	0.15	0.17	0.2	0.23	0.25	0.3	0.33
Thickness tolerance			mm	± 0.02	± 0.02	± 0.03	± 0.03	± 0.04	± 0.04	± 0.05
Grammage			g/m²	155±25	175±25	195±30	230±35	260±40	300±45	300±50
Film nominal thickness			mm	0.05	0.05	0.05	0.05	0.05	0.05	0.05
Tensile strength	MD	No bending	N/cm	≥ 120	≥ 140	≥ 160	≥ 180	≥ 200	≥ 250	≥ 270
	MD	After bending		≥ 70	≥ 90	≥ 90	≥ 130	≥ 150	≥ 170	≥ 180
	TD	No bending		≥ 80	≥ 90	≥ 100	≥ 110	≥ 120	≥ 150	≥ 170
	TD	After bending		≥ 50	≥ 70	≥ 80	≥ 80	≥ 100	≥ 110	≥ 130
Elongation		No bending	%	≥ 10
Elongation		After bending	%	≥ 8
Breakdown voltage		No bending	KV	≥ 8			≥ 9		≥ 10
Breakdown voltage		After bending	KV	≥ 7			≥ 8		≥ 9
Bonding property at room temp.				No delamination
Bonding property at 200°C ± 2°C, 10 min.				No delamination, no bubble, no adhesive flow.

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

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