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Established in 1970, Shandong Huilong Electrical Material Co., Ltd. leverages 50+ years of manufacturing expertise to produce premium self-bonding enamelled wires specifically engineered for transformer applications. Our ISO-certified 10,000-30,000㎡ facility employs advanced production technologies to deliver consistent quality, with annual exports exceeding $100 million to global markets including North America, Europe and Southeast Asia. This innovative wire eliminates traditional bonding processes, significantly enhancing manufacturing efficiency while maintaining superior electrical insulation.
Key Technical Advantages:
- Self-bonding mechanism activates at 150-180°C through thermal fusion
- Excellent dielectric strength exceeding 8kV/mm
- Reduced winding deformation during transformer assembly
- Compatible with automatic winding machines
Performance Specifications:
| Parameter | Standard Range | Custom Options |
| Conductor Resistance | 0.5 - 500 Ω/km | Available upon request |
| Breakdown Voltage | Min. 5kV | Up to 12kV |
| Thermal Shock Resistance | 10 cycles at 200°C | Enhanced grades available |
The unique molecular structure ensures uniform bonding layer formation during transformer winding, reducing production time by up to 30% compared to conventional methods. This wire demonstrates exceptional flexibility with minimum bend radius of 3x diameter, preventing insulation cracks during coil formation. Chemical resistance properties allow compatibility with varnishes and impregnation resins commonly used in transformer manufacturing.
Frequently Asked Questions:
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Q: How does self-bonding differ from traditional enamelled wire?
A: Self-bonding wire contains thermoplastic polymers that fuse adjacent turns when heated, eliminating separate adhesive processes. -
Q: What temperature range activates the bonding?
A: Optimal bonding occurs between 150-180°C within 15-30 seconds exposure time. -
Q: Is this suitable for high-frequency transformers?
A: Yes, our wire maintains stable capacitance and low dielectric loss up to 5MHz applications. -
Q: Can you provide custom wire diameters?
A: We offer diameters from 0.05mm to 5.0mm with tolerance within ±0.002mm. -
Q: What quality certifications apply?
A: Produced in ISO 9001/14001 certified facility with IEC 60317 standard compliance. -
Q: How does this improve transformer reliability?
A: Eliminates adhesive migration issues and provides uniform inter-turn insulation.
Backed by Huilong's extensive manufacturing capabilities and global distribution network through ports including Qingdao and Shanghai, we ensure reliable supply to 15+ international markets. Our dedicated R&D team continuously optimizes bonding performance for evolving transformer designs. With strict adherence to international quality standards and flexible customization options, this solution delivers measurable cost savings through simplified production processes. Contact our technical specialists today to discuss your specific application requirements.
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