High Temperature Resistance 6640 Insulated Nmn Paper Manufacturer
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Product Details
| Customization: | Available |
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| Application: | Motor, Transformer |
| Color: | Pink, White, Green |
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Basic Info.
- Model NO.
- 6640
- Material
- Paper
- Maximum Voltage
- 10KV~20KV
- Thermal Rating
- F 155
- Thickness
- 0.15mm-0.33mm(Customized)
- Length
- Customized
- Feature
- Insulation
- Usage
- High Temperature Resistance and Wrapping
- Delivery
- 10-15days
- Temperature
- High Temperature Resistance
- Film
- Polyester Film
- Transport Package
- Pallet / Carton
- Specification
- Customized
- Origin
- China
- Production Capacity
- 25000kg/Month
Product Description

NMN insulation paper
NMN Insulation Paper is a high-performance electrical insulation material composed of Nomex paper laminated with polyester film (PET) in a Nomex-PET-Nomex structure.
It combines the thermal resistance of aramid paper with the mechanical strength of polyester film, making it an ideal Class H insulation solution for motors, transformers, and other electrical equipment operating under high temperature and electrical stress.
NMN insulation paper is widely used for slot insulation, phase insulation, and inter-layer insulation, ensuring long-term reliability and safety of electrical systems.
Material Structure
Outer Layers: Nomex® Aramid Paper
Outer Layers: Nomex® Aramid Paper
Excellent thermal stability
Aging resistance and corona resistance
Middle Layer: PET Polyester Film
Aging resistance and corona resistance
Middle Layer: PET Polyester Film
High mechanical strength
Dimensional stability
Dimensional stability
Key Advantages
1. High Thermal Resistance
Thermal class: Class H (180°C)
Suitable for continuous high-temperature operation
2. Excellent Electrical Properties
High dielectric strength
Low dielectric loss
Reliable insulation protection
3. Strong Mechanical Performance
High tensile strength
Tear-resistant
Suitable for automatic motor winding processes
4. Easy Processing
Easy to cut, slit, punch and form
No delamination during processing
Item | Specification |
Thermal Class | Class H (180°C) |
Structure | Nomex paper /PET film/Nomex paper |
Standard Thickness | 0.13mm / 0.18mm / 0.20mm / 0.25mm |
Width Range | Up to 1000mm (customizable) |
Supply Form | Roll / Sheet |
Color | Natural / White |
Dielectric Strength | High (test reports available upon request) |
Details

Applications
Electric Motors:Slot insulation,Phase insulation,Inter-layer insulation
Transformers:Coil insulation,End insulation,Generators,EV traction motors,Industrial electrical equipment
Transformers:Coil insulation,End insulation,Generators,EV traction motors,Industrial electrical equipment
Customization Options
We offer OEM & customized solutions, including:
We offer OEM & customized solutions, including:
Thickness customization
Width slitting
Sheet cutting
Roll core specifications
Packaging customization
Suitable for motor manufacturers, transformer factories, and insulation material distributors.
Width slitting
Sheet cutting
Roll core specifications
Packaging customization
Suitable for motor manufacturers, transformer factories, and insulation material distributors.
Why Choose Us


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