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Help Center0.20-3.50mm Aluminum Enamelled Wire With Polyester Imide Coating for Motor Transformers
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As an established manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. delivers precision-engineered aluminum enamelled wire designed for high-performance motor transformers. Our polyester imide coated winding conductors combine exceptional thermal stability with electrical efficiency, ensuring optimal transformer operation across industrial applications. With a 10,000-30,000m² manufacturing facility and ISO-certified production processes, we guarantee consistent quality in every spool.
Core Technical Advantages:
- Superior dielectric strength with breakdown voltages exceeding industry standards
- Enhanced flexibility allowing tight winding configurations without cracking
- Chemical resistance against transformer oils and industrial solvents
- Optimized thermal endurance for continuous operation at 180°C
Technical Specifications:
| Parameter | Specification | Testing Standard |
|---|---|---|
| Conductor Tolerance | ±0.005mm | IEC 60317 |
| Coating Thickness | 0.025-0.075mm | ASTM D1676 |
| Elongation Rate | ≥15% | ASTM B193 |
| Surface Roughness | ≤0.8μm | ISO 4287 |
The unique molecular structure of our polyester imide coating provides exceptional thermal endurance while maintaining flexibility during winding operations. This dual-layer insulation system prevents voltage leakage in high-frequency transformer applications. Aluminum conductors offer 50% weight reduction compared to copper alternatives, significantly decreasing transformer core losses and improving energy efficiency.
Application-Specific Benefits:
- Reduces eddy current losses in high-RPM motor transformers
- Enables compact winding designs for space-constrained installations
- Minimizes corona discharge in high-voltage power transformers
- Extends service life in vibration-intensive industrial environments
Backed by 50+ years of manufacturing expertise and serving global markets from North America to Oceania, we maintain rigorous quality control across all production stages. With annual exports exceeding $100 million and multiple ISO certifications including ISO9001 and ISO16949, our Qingdao-port shipped products meet international standards for electrical insulation materials.
For transformer manufacturers seeking reliable winding solutions, our diameter-specific aluminum enamelled wire delivers measurable performance advantages. Contact our technical team to discuss custom specifications or request sample spools for your next motor transformer project.
Frequently Asked Questions:
Q: What temperature range can this wire withstand?
A: Our polyester imide coating maintains integrity at continuous operating temperatures up to 180°C with short-term peaks at 220°C.
Q: Do you provide custom diameter options?
A: Yes, we accommodate diameter-specific orders within the 0.20-3.50mm range with ±0.005mm tolerance control.
Q: How does aluminum compare to copper in transformer applications?
A: Aluminum offers 50% weight reduction and better thermal dissipation, reducing core losses while maintaining conductivity.
Q: What packaging options are available?
A: Standard packaging includes plastic-spooled coils (5-50kg), with wood-crated options for export protection.
Q: Can this wire be used in high-humidity environments?
A: The polyester imide coating provides excellent moisture resistance with dielectric strength retention above 90% at 95% RH.
Q: What quality documentation accompanies shipments?
A: All shipments include material certification, test reports for mechanical/electrical properties, and compliance documentation.
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