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Help Center0.32mm Enamelled Round Copper Wire for Precision Coil Winding Applications
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As an established manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. brings over five decades of expertise in producing premium 0.32mm enamelled round copper wire specifically engineered for precision coil winding applications. Operating from our 10,000-30,000 square meter facility in Dezhou, China, we combine advanced manufacturing capabilities with stringent quality control processes to deliver wires that meet exacting industrial standards. Our global reach extends across North America, Europe, Asia, and beyond, supported by an annual export value exceeding US$100 million.
Core Technical Specifications:
- Ultra-precise 0.32mm diameter maintains ±0.005mm tolerance for consistent winding performance
- Multi-layer enamel insulation provides superior dielectric strength and thermal stability
- Class 180 thermal rating ensures reliable operation in high-temperature environments
- Annealed copper core offers exceptional conductivity (minimum 101% IACS)
- Controlled elasticity reduces breakage during high-speed winding operations
Performance Parameters:
| Characteristic | Value | Testing Standard |
| Breakdown Voltage | ≥6000V | IEC 60317 |
| Elongation | ≥15% | ASTM B1 |
| Resistance Uniformity | ≤2% variation | NEMA MW 1000 |
| Adhesion | Passes 20x diameter mandrel test | ISO 6722 |
This precision wire delivers significant advantages for coil manufacturers, including reduced eddy current losses, improved space factor in windings, and enhanced durability under thermal cycling conditions. The uniform enamel coating prevents turn-to-turn shorts while allowing tighter winding configurations. Applications span transformers, solenoids, sensors, and medical device components where dimensional accuracy directly impacts electromagnetic performance.
Backed by ISO9001 and ISO14000 certifications, our manufacturing processes undergo rigorous quality audits to ensure batch-to-batch consistency. With direct shipments available from Qingdao, Shanghai, Ningbo, and Tianjin ports, we maintain efficient logistics for global clients. Our technical support team provides application-specific guidance to optimize your winding processes. Contact us today to discuss how our 50+ years of wire manufacturing expertise can enhance your precision coil production.
Frequently Asked Questions:
-
Q: What temperature range does this wire support?
A: Standard thermal class is 180°C, with optional higher ratings available upon request. -
Q: Can I request custom packaging configurations?
A: Yes, we offer customizable spool sizes and packaging to match your production equipment. -
Q: Do you provide material certification documentation?
A: Full material traceability and certification documents are provided with each shipment. -
Q: What is the minimum order quantity?
A: MOQ starts at 50kg, with sample quantities available for testing. -
Q: How does this wire perform in high-frequency applications?
A: The precision diameter and uniform insulation minimize skin effect losses at higher frequencies. -
Q: What lead times can I expect for orders?
A: Standard production lead time is 15-20 days, with expedited options available. -
Q: Is the enamel coating resistant to common solvents?
A: Yes, the insulation demonstrates excellent resistance to most impregnating varnishes and solvents.
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