China Cheap price 6640 F Class Flexible Composite Insulating Paper - 6650 NHN Nomex paper Polyimide film flexible composite insulation paper – D&F
China Cheap price 6640 F Class Flexible Composite Insulating Paper - 6650 NHN Nomex paper Polyimide film flexible composite insulation paper – D&F Detail:
6650 Polyimide film/polyaramide fibre paper flexible laminate (NHN) is a three-layer flexible composite insulation paper in which each side of polyimide film (H) is bonded with one layer of polyaramide fibre paper (Nomex). It is the currently the highest grade electrical insulating paper. It is also calles as 6650 NHN, NHN electrical insulation flexible composite, 6650 insulation paper,etc.
According to customer’ request, we can produce two-layer laminate NH and NHNHN,etc.
Product Features
6650 is currently the most advanced electrical insulating flexible laminate. It has excellent thermal resistance, dielectric performances and mechanical performances.
Applications & Remarks
6650 NHN is used for slot insulation, inetrphase insulation, interturn insulation and liner insulation in H class electric motors and electrical appliances and it can also be used in some special places in Class B or F electric motors.
Supply Specifications
Nominal width:900 mm.
Nominal weight: 50+/-5kg /Roll. 100+/-10kg/roll, 200+/-10kg/roll
The splices shall not be more than 3 in a roll.
Color: natural color.
Packing And Storage
6650 is supplied in rolls, sheet or tape and packed in cartons or/and pallets.
6650 should be stored in clean & dry warehouse with temperature below 40℃. Keep away from fire, heat and direct sunshine.
Test Method
As per the stipulations in Part Ⅱ: Test Method, Electrical Insulating Flexible Laminates, GB/T 5591.2-2002 (MOD with IEC60626-2: 1995). Testing for thermal resistance shall be as per the relative stipulations in JB3730-1999.
Technical Performances
Table1: Standard performance values for 6650 (NHN)
No. |
Properties |
Unit |
Standard performance values |
||||||||
1 |
Nominal thickness |
mm |
0.15 |
0.18 |
0.20 |
0.23 |
0.25 |
0.30 |
0.35 |
||
2 |
Thickness tolerance |
mm |
+/-0.02 |
+/-0.03 |
+/-0.04 |
||||||
3 |
Grammage (only for reference) |
g/m2 |
155 |
195 |
210 |
230 |
300 |
335 |
370 |
||
4 |
Tensile strength |
MD |
Not folded |
N/10mm |
≥140 |
≥160 |
≥160 |
≥180 |
≥210 |
≥250 |
≥270 |
After folded |
≥100 |
≥120 |
≥120 |
≥130 |
≥180 |
≥180 |
≥190 |
||||
TD |
Not folded |
≥80 |
≥100 |
≥100 |
≥110 |
≥140 |
≥160 |
≥170 |
|||
After folded |
≥70 |
≥90 |
≥90 |
≥80 |
≥120 |
≥130 |
≥140 |
||||
5 |
Elongation |
MD |
% |
≥10 |
|||||||
TD |
≥8 |
||||||||||
6 |
Breakdown voltage |
Not folded |
kV |
≥9 |
≥10 |
≥12 |
|||||
After folded |
≥8 |
≥9 |
≥10 |
||||||||
7 |
Bonding property at room temp. |
- |
No delamination |
||||||||
8 |
200℃+/-2℃, 10min,Bonding property at 200℃+/-2℃, 10min |
- |
No delamination, no bubble, no adhesive flow |
||||||||
9 |
Temperature index of heat-resistance in a long term (TI) |
- |
≥180 |
Table2: Typical performance values for 6650 (NHN)
No. |
Properties |
Unit |
Standard performance values |
|||||||||
1 |
Nominal thickness |
mm |
0.15 |
0.18 |
0.20 |
0.23 |
0.25 |
0.30 |
0.35 |
|||
2 |
Thickness tolerance |
mm |
0.005 |
0.010 |
0.015 |
|||||||
3 |
Grammage |
g/m2 |
160 |
198 |
210 |
235 |
310 |
340 |
365 |
|||
4 |
Tensile strength |
MD |
Not folded |
N/10mm |
162 |
180 |
200 |
230 |
268 |
350 |
430 |
|
After folded |
157 |
175 |
195 |
200 |
268 |
340 |
420 |
|||||
TD |
Not folded |
102 |
115 |
130 |
150 |
170 |
210 |
268 |
||||
After folded |
100 |
105 |
126 |
150 |
168 |
205 |
240 |
|||||
5 |
Elongation |
MD |
% |
20 |
||||||||
TD |
18 |
|||||||||||
6 |
Breakdown voltage |
Not folded |
kV |
11 |
12 |
14 |
15 |
15 |
15 |
15 |
||
After folded |
10 |
11 |
12 |
12 |
13 |
13.5 |
13.5 |
|||||
7 |
Bonding property at room temp. |
- |
No delamination |
|||||||||
8 |
200℃+/-2℃, 10min,Bonding property at 200℃+/-2℃, 10min | - |
No delamination, no bubble, no adhesive flow |
|||||||||
9 | Temperature index of heat-resistance in a long term (TI) | - | ≥180 |
Production Equipment
We have two lines, the production capacity is 200T/month.
Product detail pictures:





Related Product Guide:
With our leading technology also as our spirit of innovation,mutual cooperation, benefits and development, we are going to build a prosperous future jointly with your esteemed company for China Cheap price 6640 F Class Flexible Composite Insulating Paper - 6650 NHN Nomex paper Polyimide film flexible composite insulation paper – D&F , The product will supply to all over the world, such as: Austria, Mongolia, Guatemala, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.

The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
