Product Description
Polyurethane Enamelled Round Copper Wire
Our polyurethane-enamelled round copper wire is a premium insulating marvel, revered in the realms of electronics, electrical appliances, motors, and precision equipment. Discover its exceptional features and broad applications below:
Product Type: QA/UEW
Insulating Material: Base coat of Polyurethane
Thermal Values: 130, 155, 180 °C
Enamel Thickness: Available in Grades 1, 2, and 3
Wire Size: Ranging from Φ0.035mm to Φ1.000mm
Product Standards: Complies with GB/T 6109, IEC60317, NEMA MW1000, JIS C3202; UL-approved
Characteristics:
1. Exceptional High-temperature Resistance
2. Direct Weldability for Enhanced Usability
3. High-frequency Tolerance with Minimal Loss
4. Superior Mechanical Properties
5. Robust Corrosion and Chemical Resistance
6. Commitment to Environmental Friendliness
Applications:
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Motors and Electrical Appliances
-
Electronics and Communication Equipment
-
Industrial and Aerospace Applications
-
Diverse Other Fields(Renowned for its long-term stability and corrosion resistance)
Spool Type and Packaging Quantity:
Spool Type |
Spools per Carton |
Weight per Spool (kg) |
Packing Cartons |
Wrap shaft material |
PT-4 |
4 |
1.0-6.5 |
Corrugated Paper |
Foam Pad |
PT-10 |
2 |
2.0-13.5 |
Corrugated Paper |
Foam Pad |
PT-15 |
1 |
3.0-20.5 |
Corrugated Paper |
Foam Pad |
PT-25 |
1 |
5.0-32.5 |
Corrugated Paper |
Foam Pad |
Related Products
Currently, Hangzhou Hongtong Wire & Cable Co., Ltd.'s flagship offerings are an impressive selection that features: Enameled round copper wires available in a spectrum of thermal capacities; litz wire, intricately Served Litz wire, expertly taped Litz wire, and precisely extruded Litz wires; along with our specialized Profiled Litz Wire. Our diameter range spans from Φ0.035mm to Φ1.000mm(equivalent toAWG47 to AWG23).These products find extensive use across leading sectors including the burgeoning new energy sector, household appliances, innovative automotive electrical systems, precision instruments & meters, cutting-edge consumer electronics, and the fast-paced world of mobile communications, among others.
Company Profile
HANGZHOU HONGTONG WIRES CO., LTD was established in 2004. It is a dynamic and innovative company that has dedicated itself to pioneering research, progressive development, and advanced production of enameled wire for an impressive 21 years. The company steadfastly upholds the business tenet of "high quality and excellent service," dedicating itself to high-quality development and creating substantial value for our esteemed customers.

As a leading professional manufacturer of enameled wire, product quality is not just a goal, it's our corporate lifeline. Adhering strictly to ISO quality management standards, we are armed with state-of-the-art testing equipment and a professional quality inspection team that conducts meticulous examinations on each batch of production. We cover over 20 critical parameters, including conductor resistance, film thickness, voltage resistance, and flexibility. From the procurement of raw materials to the meticulous control of the production process, from rigorous in-process inspections to comprehensive product testing, we have instituted a six-tier quality control system. This ensures every coil of enameled wire we deliver is in full compliance with IEC international standards and meets specific customer requirements. Proudly maintaining a 99.98% factory pass rate over the years, we bear testament to our unwavering commitment to excellence through indisputable data and results.
Workshop&Equipment
At present, Hangzhou Hongtong Wire & Cable Co., Ltd. proudly operates two expansive production bases. The HangZhou base is strategically positioned in Cangqian, within the picturesque western suburbs of Hangzhou,in the vibrant Zhejiang Province, where the plant sprawls across an impressive 23,000 square meters.This facility boasts an extensive array of over 260 cutting-edge machines, including wire drawing machines, Litz wire bunching machines, Serving machines, Litz wire taping machines, extruded Litz wire production lines, advanced flat taped Litz wire machines, and an assortment of other state-of-the-art equipment. The XuanCheng base, located in the dynamic Xuancheng Economic Development Zone, Anhui Province, spans an impressive plant area of 30,000 square meterssand is equipped witha remarkable 19 high-efficiency enameled wire production lines, accompanied by 118 state-of-the-art wire drawing machiness. Together, the combined annual production capacity of these two state-of-the-art bases reaches an impressive figure exceeding 20,000 tones.
Our Advantages
1. Established in 2004, Hangzhou Hongtong Wire&Cable Co., Ltd. proudly holds one utility model patent alongside an invention patent, showcasing our commitment to innovation and technological advancement.
2.Our state-of-the-art factory integrates cutting-edge barcode technology, ensuring precise product identification and tracking. Leveraging the Internet of Things, we provide zero-latency, real-time equipment monitoring for unparalleled operational efficiency.
3.Our expansive company boasts two specialized production plants .
The Hangzhou Factory spans 23,000 square meters and is equipped with 20 advanced enamel coating production lines, complemented by over 200 sophisticated wire drawing machines.
Xuancheng Factory encompasses 30,000 square meters, featuring 19 enamel coating production lines and a suite of 118 various wire drawing machines, ensuring production versatility.
4.Our company is dedicated to the meticulous research, development, and innovative production of high-quality enamelled wire. Enamelled wire offerings include
Enamelled Round Wire, including
Litz Wire,
Served Litz Wire,
Taped Litz Wire,
Extruded Litz Wire, and
Profiled Litz Wire.
5. Our diameter range extends from Φ0.035mm to Φ1.000mm(AWG47 to AWG23),
6. Customization potential with a variety of insulating materials and thermal characteristics. We offer bespoke solutions with diverse insulation materials and adjustable thermal values.
Insulation materials include Polyurethane,Polyesterimide, Polyamideimide, Aromatic Polyamideimide, and others.
Thermal values are available in155, 180, 200, 220, and 240 degrees.
7.Commitment to quality management is demonstrated through our rigorous quality management system and certifications,
including IATF16949,
ISO 9001,
UL (Cert. No. E326617),
and RoHS compliance, ensuring the highest standards.
Certifications
Hangzhou Hongtong Wire&Cable Co., Ltd. meticulously crafts its products, ensuring they are designed and produced with utmost precision based on the esteemed IEC standards, while also tailoring each creation to meet the unique and specific quality demands set forth by our valued customers. Simultaneously, we uphold rigorous production control and management protocols, adhering strictly to the esteemed IATF 16949 and ISO 9001 quality management systems. To further assure exceptional product quality, we proudly hold triple certifications, including UL, ROHS environmental protection, and REACH, providing an unparalleled guarantee of excellence and sustainability.
FAQ
Q1. How are the temperature resistance grades of enameled wires classified? And which scenarios are suitable for different grades?
A1. Common temperature resistance grades are as follows:
- 130°C (Class B): It is a general-purpose type, widely used in household appliances and small motors.
- 155°C (Class F): Applicable to industrial motors and transformers. It has better heat resistance compared to Class B.
- 180°C (Class H): Mainly used in high-temperature working environments such as high-temperature motors, transformers, etc.
- above 180°C (Class C): It is suitable for special electronic devices in extremely high - temperature and high - pressure environments, such as motors and transformers in the aerospace and nuclear industries.
Q2. What is the wire diameter range of the enameled wires?
A2. The conventional wire diameter range is from 0.035mm to 1.000mm. Non-standard customization is also supported.
Q3. Do the enameled wires meet the RoHS environmental protection standard?
A3. Yes, the products have passed the EU RoHS certification, and the certificate number is E326617.
Q4. How to select enameled wires for high-frequency transformers?
A4. The key indicators are as follows:
- Low skin effect: It is recommended to choose litz wires or multi-strand thin wires.
- Low dielectric loss: Enameled wires with polyurethane or polyesterimide paint can be selected.
- Self-adhesiveness: It helps to reduce the impregnation process.