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Help CenterClass 155 Polyester-Enameled Round Copper Wire (QZ/155) for Electrical Coils
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As a trusted manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. delivers premium Class 155 Polyester-Enameled Round Copper Wire, engineered for superior performance in electrical coils. With our 10,000-30,000 square meter factory and over 50 years of expertise, we ensure high-quality products that meet global standards, backed by annual exports exceeding $100 million. This wire combines exceptional thermal stability and durability, making it ideal for demanding applications across industries like automotive and energy. Choose our reliable solution to enhance coil efficiency and longevity, supported by our commitment to excellence and extensive certifications.
Our Class 155 Polyester-Enameled Copper Wire (QZ/155) excels in various electrical coil applications due to its advanced features:
- High Thermal Resistance: Withstands temperatures up to 155°C, ensuring reliable operation in high-heat environments.
- Excellent Electrical Insulation: Polyester enamel coating provides superior dielectric strength, minimizing energy loss and preventing short circuits.
- Mechanical Durability: Offers good flexibility and abrasion resistance, reducing breakage during winding processes.
- Optimized Conductivity: Pure copper core ensures low resistance and high efficiency in power transmission.
- Versatile Applications: Suitable for transformers, motors, solenoids, and other coil-based devices across multiple sectors.
Technical specifications include customizable diameters to fit specific needs, with common ranges detailed below:
| Diameter Range (mm) | Resistance (Ω/km) | Insulation Thickness (mm) |
| 0.1 - 0.5 | 220 - 50 | 0.005 - 0.015 |
| 0.6 - 1.0 | 45 - 20 | 0.015 - 0.025 |
| 1.1 - 5.0 | 18 - 2 | 0.025 - 0.040 |
Key advantages for your business include reduced energy consumption through efficient conductivity, extended equipment lifespan due to robust insulation, and cost savings from minimal maintenance. It's compatible with automated winding systems, enhancing production speed and consistency. Clients benefit from improved product reliability in harsh conditions, such as industrial machinery or renewable energy systems.
With a legacy spanning over five decades, Shandong Huilong has established itself as a leader in electrical materials, exporting to North America, Europe, Asia, and beyond from ports like Qingdao and Shanghai. Our certifications, including ISO9001 and OHSAS18001, guarantee adherence to stringent quality and safety protocols. Trust our wire for consistent performance that meets global demands—contact us today to discuss custom solutions and experience the difference of working with a dedicated manufacturer.
Frequently Asked Questions:
-
Q: What is the maximum operating temperature for this wire?
A: Class 155 indicates a maximum temperature rating of 155°C, making it suitable for high-heat applications. -
Q: Can this wire be used in high-frequency coils?
A: Yes, its polyester enamel insulation provides excellent dielectric properties, ideal for high-frequency environments. -
Q: Is customization available for diameter and length?
A: Absolutely, diameters and spool lengths are customizable upon request to match your specific requirements. -
Q: How does the insulation resist solvents and chemicals?
A: The polyester enamel coating offers good resistance to common solvents, ensuring durability in varied conditions. -
Q: What certifications support product quality?
A: We hold multiple certifications, such as ISO9001 and ISO14000, ensuring compliance with international standards. -
Q: Are there options for different colors?
A: The standard color is natural brown, but other colors may be available upon request for identification purposes. -
Q: How does this wire compare to other insulation classes?
A: Class 155 provides higher thermal stability than lower classes, like Class 130, for enhanced performance in demanding setups. -
Q: What is the lead time for orders?
A: Lead times vary based on quantity and customization; contact us for specific details and expedited options.
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