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 |
TD |
N/cm |
90 |
110 |
130 |
180 |
200 |
250 |
180 |
200 |
250 |
Elongation (min) |
MD |
% |
15 |
10 |
12 |
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.