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Round Magnet Wire 0.3mm With Solderable Polyurethane Coating

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Product Spotlights

0.3mm solderable magnet wire eliminates stripping steps with direct-solder polyurethane coating. Precision-engineered for motors/transformers, it offers Class 155 thermal rating and ±0.005mm tolerance. Manufactured in ISO-certified facility with global export capability. Reduces assembly time by 30% versus traditional wires.
Negotiable MOQ: 500 Kilograms (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Application:
Other, Motors
Conductor Type:
Other, Bare Copper
Material:
Copper conductor
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
Delivery time depends on order quantity.
Application Other, Motors
Conductor Type Other, Bare Copper
Material Copper conductor
Wire Diameter 0.3 mm
Coating Type Solderable Polyurethane
Shape Round
Temperature Class Class 155 (F)
Certifications ISO9001, ISO14000, TS16949
Packaging Spool, Bobbin, Customizable
Feature Solderable without stripping

As a leading manufacturer since 1970, Shandong Huilong Electrical Material Co., Ltd. delivers precision-engineered magnet wires from our 10,000-30,000㎡ facility. Our 0.3mm round magnet wire with solderable polyurethane coating provides exceptional electrical performance while eliminating time-consuming stripping processes. With over 50 years of expertise and $100M+ annual exports to global markets, we ensure consistent quality that meets rigorous international standards.

Core Technical Advantages:

  • Direct-Solder Technology: Polyurethane coating enables immediate soldering without mechanical or chemical stripping
  • Precision Dimensional Control: ±0.005mm diameter tolerance ensures consistent winding performance
  • Thermal Resilience: Withstands continuous operation at 155°C (311°F)
  • Corrosion Resistance: Triple-layer coating provides superior chemical and moisture protection

Technical Specifications:

Parameter Value Standard
Conductor Resistance 0.255 Ω/m IEC 60317-13
Dielectric Strength >8000 VAC ASTM D1676
Elongation ≥15% ISO 2062
Thermal Shock No cracking at 3×D NEMA MW 1000

This magnet wire reduces assembly time by up to 30% compared to traditional enameled wires. The uniform polyurethane coating provides excellent dielectric properties while maintaining flexibility during high-speed winding operations. Applications include precision components in automotive systems, medical devices, and aerospace equipment where reliability is critical.

Our manufacturing process undergoes 17 quality checkpoints with automated optical inspection ensuring coating uniformity. Backed by ISO9001, ISO14000, and TS16949 certifications, we maintain batch traceability from raw material to finished product. With ports in Qingdao, Shanghai, Ningbo, and Tianjin, we efficiently serve clients across 14 global markets including North America and Western Europe.

Frequently Asked Questions:

Q: What is the temperature rating for continuous operation?
A: Designed for Class 155 thermal classification, suitable for continuous operation at 155°C.

Q: Can this wire be used in high-frequency applications?
A: Yes, the polyurethane coating provides excellent high-frequency characteristics with low dielectric loss.

Q: What soldering temperatures are recommended?
A: Optimal between 360-400°C with standard Sn/Pb or lead-free solders for 2-3 second duration.

Q: Are custom packaging options available?
A: Yes, we provide spools from 1kg to 20kg with custom winding configurations upon request.

Q: What is the shelf life of the product?
A: 24 months when stored below 35°C in original packaging with <65% humidity.

Q: Do you provide material certification?
A: Full material traceability with RoHS and REACH compliance documentation included.

Leverage our five decades of magnet wire expertise and vertically integrated manufacturing. Contact our engineering team today for technical support or request samples through our Qingdao export office to experience the performance difference firsthand.

Product Tags: Solderable Magnet Wire 0.3mm , Polyurethane Coated Enameled Wire , Round Magnetic Copper Wire

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Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
1970
Factory Size
10,000-30,000 square meters
Annual Export Value
Above US$100 Million