NMN NPN 6640 Nomex®

Properties

NMN NPN (6640) is made of two layers of Du Pont Nomex® paper laminated with one layer of polyester (Mylar®) film. It has good dielectric properties, high heat resistance and mechanical strength, is suitable for electric motors as slot, phase, turn-to-turn, liner insulation of class F.

Data Form

Item		Unit	Value
Structure		Mil	222	232	242	252	272	2102	333	353	373
Structure Thickness	Nomex®	mm	0.050	0.050	0.050	0.050	0.050	0.050	0.075	0.075	0.075
	PET Film	mm	0.050	0.075	0.100	0.125	0.188	0.250	0.075	0.125	0.188
	Nomex®	mm	0.050	0.050	0.050	0.050	0.050	0.050	0.075	0.075	0.075
Nominal Thickness		mm	0.17	0.19	0.22	0.24	0.30	0.37	0.24	0.30	0.35
Thickness Tolerance		mm	±0.02
Nominal Area		m²/kg	5.88	5.10	4.30	3.70	2.80	2.20	3.80	3.00	2.30
Specific Weight		g/m²	170	196	230	270	357	450	263	330	425
Tensile Strength (min)	MD	N/cm	160	160	180	220	270	320	220	270	320
Tensile Strength (min)	TD	N/cm	90	110	130	180	200	250	180	200	250
Elongation (min)	MD	%	15	10	12
Elongation (min)	TD	%	20	15	18
Breakdown Voltage (min)		KV	8	12	14	16	18	24	16	18	24
Bond Strength at room temp			No Delamination
Bond Strength at 155 + 2 C			No Delamination, No Blister, No Adhesive Flow

Specification

1. Standard width: 910mm, or slit into the width required Packing: In Carton
2. Min Qty: 1000kg each size in a lot.
3. Shelf life: one year from the data of delivery. It can still be used if it is qualified by testing after one year according to above Technical Requirement.

Note:The values noted in above technical specification are given only for our customers' reference and should not be used in writing specifications.