Products Description
NHN insulation paper for motor: is commonly used as slot insulation, phase insulation and interlayer insulation in high-temperature motors, generators and electrical equipment. It forms a protective barrier between copper windings and the stator core, preventing electrical breakdown and extending service life.
|
Thickness |
mm |
0.15 |
0.17 |
0.20 |
0.23 |
0.25 |
0.30 | 0.33 | ||
|
stretch strength (not lower than) |
portrait |
No bending |
N/10mm Width |
120 |
140 |
160 |
180 |
200 |
250 |
270 |
|
After bending |
80 |
90 |
90 |
130 |
150 |
170 |
180 |
|||
|
Horizontal |
No bending |
70 |
90 |
100 |
110 |
120 |
150 |
170 |
||
|
After bending |
50 |
70 |
80 |
80 |
100 |
110 |
130 |
|||
|
Elongation (not lower than) |
portrait |
% |
≥10 |
|||||||
|
Horizontal |
≥8 |
|||||||||
|
Breakdown voltage |
No bending |
KV |
≥8 |
≥9 |
≥10 |
|||||
|
After bending |
≥7 |
≥8 |
6N |
|||||||
Composite Structure
| Type | Structure |
|---|---|
| DMD | Polyester Nonwoven + PET Film + Polyester Nonwoven |
| NMN | Nomex + PET Film + Nomex |
| NHN | Nomex + Polyimide Film + Nomex |
| PMP | Insulation Paper + PET Film + Insulation Paper |
How NHM Maufactured?
This product is a kind of composite material made of two-layer Nomex paper bondedwith one-layer polyimide film in between. It features excellent thermal endurance,mechanical strength, dielectric properties and chemical resistance. It can adherefirmly to copper foil and other materials, and form insulation structure layer with lowshrinkage at high temperature. It is widely used for high thermal class electricalequipment such as F/H-class motors, transformers and generators.
Electric Motor Insulation
Used for:
Slot insulation
Phase insulation
End winding insulation
Flexible composite insulation papers help protect windings from electrical breakdown and mechanical damage during operation.
Application Case
In this project, NHN insulation paper was used as slot insulation for an industrial motor. The material was pre-cut and formed to fit the stator slots, providing dependable insulation and mechanical protection during winding installation and motor operation.
Installation Process
Stator core preparation 
→ Insert NHN slot liners
→ Install copper windings
→ Phase insulation & binding
→ Finished motor
video
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Customer
FAQ
Q: How to Choose the Right Insulation Paper?
A: - For Class B Systems (130°C), we recommended: PMP and DMD Class B; - For Class F Systems (155°C), we recommended: DMD Class F and NMN; - For Class H Systems (180°C), we recommended: NHN, AMA, Aramid composite paper.
Q: Which insulation paper is best for transformers?
A: The selection depends on thermal class and voltage requirements. NMN, PMP, and transformer-grade insulation papers are commonly used.
Q: Can you supply custom thicknesses?
A: Yes. Available according to customer drawings and insulation system requirements.
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