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Help CenterPolyester Enameled Copper Wire (Class 155 QZ/155) for Electrical Coils
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As a specialized manufacturer of electrical materials since 1970, Shandong Huilong Electrical Material Co., Ltd. delivers premium-grade Polyester Enameled Copper Wire engineered for demanding coil applications. With over 50 years of manufacturing expertise and ISO-certified production facilities spanning 10,000-30,000 square meters, our Class 155 QZ/155 winding wire provides exceptional thermal stability and electrical insulation for industrial applications worldwide.
This high-performance winding solution features:
- Optimized thermal resistance maintaining integrity at continuous 155°C operation temperatures
- Superior dielectric strength with polyester insulation preventing current leakage
- Precision-engineered copper core ensuring minimal electrical resistance losses
- Mechanical durability resistant to vibration and thermal stress
Technical specifications include:
| Property | Value |
|---|---|
| Thermal Class | 155 (QZ/155) |
| Conductor Material | Electrolytic copper |
| Dielectric Strength | Min. 70V/μm |
| Elongation at Break | ≥ 30% |
| Thermal Shock Resistance | Passes 3× at 200°C |
Industrial applications benefit from:
- Extended coil lifespan reducing maintenance frequency
- Improved energy efficiency through minimized eddy current losses
- Enhanced safety margins in overload conditions
With an annual export volume exceeding $100 million and serving markets across six continents through major ports including Qingdao and Shanghai, our manufacturing capabilities ensure consistent quality. The 51-100 skilled workforce maintains rigorous process controls meeting ISO9001, ISO14000, and OHSAS18001 standards. We provide customized solutions with diameter specifications tailored to specific coil requirements.
FAQs:
Q: What temperature can this wire withstand continuously?
A: Designed for continuous operation at 155°C with peak tolerance to 180°C.
Q: Are custom diameters available?
A: Yes, we produce diameters from 0.05mm to 5.0mm based on application requirements.
Q: What certifications apply to this product?
A: Manufactured under ISO9001 quality management and ISO14000 environmental standards.
Q: How does polyester compare to other insulation types?
A: Polyester offers superior thermal endurance and mechanical strength versus standard varnishes.
Q: What packaging options exist?
A: Multiple spool sizes with wood, plastic, or steel cores to prevent deformation.
Q: Can I request sample coils before bulk orders?
A: Sample coils are available for technical evaluation and testing.
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