Thickness Customized High Strength Nmn Insulation Paper for Transformer Windings

• Customization: Available
• Application: Motor, Transformer
• Color: Pink, White, Green
• 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

Excellent thermal stability
Aging resistance and corona resistance
Middle Layer: PET Polyester Film

High mechanical strength
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

Customization Options
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.

Why Choose Us