Product Description
Polyurethane Enamelled Round Copper Wire
Polyurethane-enamelled round copper wire stands as a premier choice in high-performance insulating materials, pivotal to the functionality of various electronics, electrical appliances, motors, and precision equipment. Its remarkable efficiency and versatility are highlighted by the following exceptional characteristics and applications:
Product Type: QA/UEW
Insulating Material: Base Coat Polyurethane
Thermal Values: 130, 155, 180
Enamel Thickness: Grade 1, Grade 2, Grade 3
Wire Size: Ranging from Φ0.035mm to Φ1.000mm
Product Standards: Compliant with GB/T 6109, IEC60317, NEMA MW1000, JIS C3202, and UL-approval
Characteristics:
1. Exceptional High-temperature Resistance
2. Convenient Direct Weldability
3. Superior High-frequency Tolerance & Minimal Loss
4. Outstanding Mechanical Properties
5. Robust Corrosion & Chemical Resistance
6. Commitment to Environmental Friendliness
Applications:
-
Motors & Electrical Appliances
-
Electronics & Communication Equipment
-
Industrial & Aerospace Applications
-
Other Fields(Relies on the exceptional 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
At present, the company's main products are include: Enameled round copper wires with diverse thermal ratings; litz wire, served litz wire, and taped litz wire, as well as extruded litz wires; profiled litz wire. Diameter range Φ0.035mm-Φ1.000mm(AWG47-AWG23).Our innovative products find extensive applications across key industries, including the burgeoning fields of new energy, advanced household appliances, high-performance automotive electrical appliances, precision instruments & meters, cutting-edge consumer electronics, and the dynamic sector of mobile communications, among others.
Company Profile
HANGZHOU HONGTONG WIRES CO.,LTD was proudly founded in 2004. Since its inception, this esteemed company has dedicated itself to pioneering advancements in the innovative research, development, and sophisticated production of enameled wire, delivering exceptional quality for 21 glorious years. The company has consistently embraced a business philosophy centered on "high quality and excellent service," striving tirelessly for superior development and crafting unparalleled value for its clients.

As a leading manufacturer in the enameled wire industry, we hold product quality in the highest regard, considering it the very lifeblood of our corporation. By rigorously applying ISO quality management standards, we are armed with state-of-the-art testing facilities and a dedicated team of quality inspectors who meticulously scrutinize each production batch. These examinations encompass over 20 crucial parameters including conductor resistance, film thickness, voltage resistance, and flexibility. Our comprehensive quality control extends from the meticulous selection of raw materials, through every stage of the production process, to exhaustive product testing. We have put in place a robust six-layer quality assurance system to guarantee that each coil of enameled wire we deliver meets or exceeds IEC international standards as well as the specific needs of our customers. With a remarkable factory pass rate of 99.98% maintained over the years, we exemplify our unwavering commitment to excellence with concrete data and outcomes.
Workshop&Equipment
At present, Hangzhou Hongtong Wire & Cable Co., Ltd. proudly operates two expansive production bases. The Hangzhou production base is strategically situated in Cangqian, nestled in the picturesque western suburbs of Hangzhou,Zhejiang Province. This state-of-the-art facility spans an impressive 23,000 square meters.Our advanced equipment roster features over 260 high-tech wire drawing machines, complemented by Litz wire bunching machines, Serving machines, Litz wire taping machines, along with cutting-edge extruded Litz wire production lines, and flat taped Litz wire machines, among other specialized equipment. The Xuanchengbase, located in the Xuancheng Economic Development Zone, Anhui Province, boasts an even larger footprint, covering a substantial area of 30,000 square meters.Equipped with 19 state-of-the-art enameled wire production lines and 118 units of diverse wire drawing equipment,the baseensures uncompromised quality and efficiency. Collectively, the impressive annual production capacity across these two manufacturing powerhouses exceeds an astounding 20,000 tones, ensuring we meet global demands with ease.
Our Advantages
1. Established in 2004, Hangzhou Hongtong Wire&Cable Co., Ltd. boasts a legacy of innovation with one utility model patent and one invention patent to its name.
2.Our factory integrates advanced barcode technology for precise product identification and tracking. Through the Internet of Things, we offer zero-latency real-time monitoring of equipment, ensuring efficiency and quality.
3.The company operates two expansive production plants. .
The Hangzhou Factory spans 23,000 square meters, equipped with 20 enamel coating production lines and over 200 diverse wire drawing machines.
Xuancheng Factory covers an impressive area of 30,000 square meters, offering 19 enamel coating production lines and upwards of 118 various wire drawing machines.
4.We are dedicated to the research, development, and production of high-quality enamelled wire. Ourrange of enameled wires includes
Enamelled Round Wire
Litz Wire,
Served Litz Wire,
Taped Litz Wire,
Extruded Litz Wire,
Profiled Litz Wire.
5. Our diameter range varies from Φ0.035mm to Φ1.000mm(AWG47 to AWG23)
6. Can be customized with various insulating materials and thermal ratings to suit diverse needs.
Ourinsulation materials include Polyurethane,,Polyesterimide, Polyamideimide, Aromatic Polyamideimide, and more.
Thermal ratings are available at: 155, 180, 200, 220, and 240 degrees Celsius.
7.Our quality management system is robust and certified by
IATF16949,
ISO 9001,
UL (Certification No. E326617),
and RoHS, ensuring the highest standards in every product.
Certifications
The company is dedicated to designing and producing its offerings based on strict adherence to IEC standards. Moreover, it tailors its processes to meet the distinct and rigorous quality demands specified by customers. Simultaneously, it meticulously controls and manages production in alignment with the esteemed requirements of the IATF 16949 and ISO 9001 quality management systems, ensuring a seamless operational excellence.Adding to its prestige, the company boasts triple certifications, including UL, ROHS environmental protection, and REACH, thereby fortifying the exceptional quality and safety of its products.
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.