Summary
Customized self-bondable enameled magnet copper wires are essential for precision coil applications, offering integrated bonding capabilities that eliminate the need for external adhesives. These wires, coated with a specialized thermoplastic layer, enable efficient coil formation through heat or solvent activation, enhancing stability and reducing manufacturing steps. Their superior electrical insulation and thermal resistance make them ideal for use in voice coils, vibration motors, magnetic heads, and other high-performance electronic components.
Introduction
Self-bondable enameled magnet copper wires provide an innovative solution for coil winding applications by incorporating a bondable layer over traditional insulation. This feature facilitates self-supporting coil structures, eliminating the necessity for bobbins, taping, or additional varnishing processes. Designed for precision electronics and industrial motor applications, these wires are available in various thermal classes and bonding methods, ensuring versatility across different environments.
Structure of Self-Bonding Magnet Wire
A self-bonding magnet wire consists of three primary layers:
Conductor: High-purity copper wire for efficient electrical conductivity.
Base Insulation: Provides primary electrical insulation and thermal protection.
Bonding Layer: A thermoplastic adhesive applied over the insulation, activated by heat or solvent.
Types of Self-Bonding Enameled Copper Wire
Self-bonding magnet wires are classified based on insulation material, thermal class, and bonding method:
Base Insulation and Bonding Methods
Base Insulation | Thermal Class (°C) | Bonding Method |
---|---|---|
Polyurethane (UEW) | 155, 180 | Heat/Solvent |
Solderable Polyesterimide (SEIW) | 155, 180 | Heat |
Polyesterimide + Polyamideimide (AIW) | 180, 200 | Heat |
Bonding Methods and Activation Conditions
Bonding Method | Activation Temperature (°C) | Activation Agent |
Heat Bonding (HB) | 110-220 | Hot Air |
Solvent Bonding (SB) | 120-140 | Methanol/Alcohol |
Key Properties of Self-Bonding Magnet Wire
Self-bonding magnet wires exhibit a range of mechanical, thermal, and electrical properties tailored for demanding applications:
Thermal and Electrical Characteristics
Material | Bonding Temperature (°C) | Max Application Temperature (°C) | Bonding Mechanism |
Polyvinylbutyral | 120-140 | 140 | Solvent/Heat |
Polyamide | 150-170 | 170 | Heat |
Polyamide (Modified) | 170-190 | 190 | Heat |
Polyamideimide | 190-200 | 200 | Heat |
Thermosetting Plastic | 200-220 | 220 | Alcohol + Heat |
Mechanical and Electrical Performance
High Adhesion Strength: Ensures robust coil bonding without additional adhesives.
Superior Electrical Insulation: Prevents short circuits and maintains consistent performance.
Thermal Resistance: Capable of withstanding high operating temperatures.
Excellent Winding Stability: Reduces wire movement within coils for enhanced durability.
Applications of Self-Bonding Enameled Copper Wire
Self-bonding enameled copper wires are widely used in various precision electronics and industrial applications:
Application Description Voice Coils Used in speakers and buzzers for stable sound production. Vibration Motors Essential for compact motors in mobile devices and haptic feedback systems. Magnetic Heads Applied in data storage and sensor technologies. Hearing Aid Coils Enables miniaturized and highly efficient auditory devices. Slot Machines & IC Cards Provides reliable electromagnetic components for gaming and security.
Conclusion
Customized self-bondable enameled magnet copper wires offer an advanced solution for precision coil applications, combining excellent electrical insulation, thermal stability, and easy processing. Their ability to form self-supporting structures through heat or solvent activation enhances manufacturing efficiency and product reliability. With diverse insulation types and bonding methods, these wires continue to play a crucial role in modern electronics and industrial applications.
Why Choose Us
Enamelled Wires Factory Directly
As an established leader in the production of enamelled wires, we provide top-quality enamelled copper and aluminium wires from the largest and most advanced facility in China. Our patented system ensures seamless monitoring of production processes, guaranteeing the exceptional quality of our enamelled wires.


Many Years of Know-how as a Producer of Enamelled Wires
Leverage our extensive experience as a leading producer of enamelled wires. Operating from the largest and most advanced facility in China, we provide enamelled wires of superior quality. Our commitment to continuous investment in cutting-edge machinery and ongoing innovation in our research and development department ensures that we deliver products that enhance your processes and drive inspiration.
Individual Enamelled Wires Matching Your Requirements
As a producer of enamelled copper and aluminium wires, we tailor our products to meet your specific project needs. For suitable volumes, we offer customized enamelled wires from our extensive range. Our production process involves close collaboration between our sales team, application technology experts, and you, ensuring optimal results for your requirements.

Frequently Asked Question
We have ISO9001,ISO14001,IATF16949 and UL certificates.
We are a factory.
We have a special QC department with 15 inspection personnel. Quality inspection team including incoming material, process and finished product inspection
Enamelled wires are available in insulation classes F-155, H-180, and C-200, which indicate their maximum operating temperatures in degrees Celsius
The temperature ratings typically range from 130°C to 220°C, depending on the insulation class and specific application requirements.
Enamelled aluminium wires are lighter and less expensive than copper wires but have slightly lower conductivity. Copper wires, on the other hand, offer higher conductivity and better mechanical strength but are heavier and more costly
Enamelled aluminium wires are ideal for use in large motors, transformers, and other applications where weight reduction is crucial without significantly compromising conductivity.
Enamelled copper wire is preferred in industries requiring high conductivity, such as in electronics, small motors, and applications where space is limited due to copper’s superior conductivity and strength.
Yes, we can customize enamelled wires to meet project-specific requirements, including different sizes, insulation types, and performance specifications.
Enamelled CCA Wire, Enamelled Aluminum Wire, Enamelled Copper Wire