Oxygen-Free Round Enameled/Enamelled/Enamel Coated Copper Magnet Winding Wire for Superconductors with ASTM F68 Compliance

• Customization: Available
• Insulation Level: C, H, F, B
• Certification: ISO9001, CE, RoHS, UL(Cert. No. E326617)IATF16949
• Model NO.: UEW
• Brand: Hongtong
• Application: Transformer, Instrument, Electrical Equipment, Motor
• Shape: Round Wire
• Conductor Material: Copper Wire
• Customizable: Yes
• Product Model: QA, Uew
• Thermal Class: B (130°c), F (155°c), H (180°c)
• Enamel Thickness Grade: Grade 1, Grade 2, Grade 3
• Delivery Time: 7-10days
• Enamel Type: Polyurethane
• IEC Standard Graduation: 60317-04,60317-20,60317-51
• NEMA: MW75-C,MW79-C,MW82-C
• Comply with Standards: IEC,Mema1000,JIS C
• AWG: AWG 26 AWG 27 AWG 28 AWG 29 AWG 30 AWG31 Aw
• AWG Diameter: AWG 40 AWG41 AWG42 AWG43 AWG 44 AWG45 AWG46
• Transport Package: Standard Export Package with Pallets
• Specification: Φ 0.035mm-Φ 1.00mm
• Trademark: Hongtong
• Origin: China
• HS Code: 8544110000
• Production Capacity: 20000 Tons/Year
• Package Size: 29.00cm * 29.00cm * 22.00cm
• Package Gross Weight: 6.000kg

Product Description

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 Polyurethane

Thermal values: 130, 155, 180

Enamel Thickness: Grade 1,Grade 2,Grade 3

Wire Size: Φ0.035mm-Φ1.000mm

Product Standards: GB/T 6109,IEC60317,NEMA MW1000,JIS C3202, UL-approval
 

Characteristics:

1.High-temperature Resistance

2.Direct weldability

3.High-frequency Tolerance & Low loss

4.Excellent Mechanical Properties

5.Corrosion &Chemical Resistance

6.Environmental Friendliness

 

Applications:

1. Motors & Electrical Appliances
    

2. Electronics & Communication Equipment
    

3. Industrial & Aerospace Applications
    

4. Other Fields(Relies on 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

With dual manufacturing hubs spanning 53,000m², our facilities deliver 20,000+ tonnes annual capacity of precision enameled wires:  

Hangzhou Base (Est. 2004)  
* 23,000m² in Western Hangzhou  
* Core focus: R&D & multi-process production  
* 260+ machines including:  
   - High-speed wire drawing machines  
   - Litz wire assembly systems (bunching/taping)  
   - Flat wire production lines  

Xuancheng Base (Anhui Economic Zone)  
* 30,000m² automated facility  
* 19 continuous enameling lines  
* 118 heavy-capacity drawing machines  
* Primary output center for bulk orders  

→ Integrated IoT monitoring across both sites

 

Company Profile

Established in 2004, HANGZHOU HONGTONG WIRES CO.,LTD specializes in the R&D and manufacturing of high-performance enameled wires. With 20+ years of technical expertise, we deliver IEC-compliant solutions for global clients through our IATF 16949 certified production systems and UL-recognized (E326617) quality control.  



As a specialized enameled wire manufacturer since 2004, we prioritize quality at every stage. Our ISO-certified production system implements strict controls from raw materials to finished products. Equipped with professional testing instruments and a dedicated QC team, we examine over 20 key parameters including conductor resistance, film thickness, and voltage resistance.  

Through our six-tier quality management procedures, every coil of wire complies with IEC standards and meets specific client requirements. This commitment is reflected in our consistent production excellence and customer satisfaction over the past two decades.

 

 

Workshop&Equipment

HANGZHOU HONGTONG WIRES operates two production bases with a total area of 53,000m². Our Hangzhou facility (23,000m²) in Zhejiang Province houses over 260 specialized machines for wire drawing, Litz wire assembly, and insulation processing. 

The Xuancheng base (30,000m²) in Anhui Economic Development Zone features 19 enameling lines and 118 drawing machines. Combined annual capacity exceeds 20,000 tonnes, supporting global delivery of precision enameled wires.  

Our Advantages

Established in 2004, Hangzhou Hongtong Wire & Cable Co., Ltd. holds one utility model patent and one invention patent, demonstrating our commitment to technical innovation.  

Our factories utilize barcode tracking systems and IoT-enabled real-time equipment monitoring to ensure precise production control.  

Production Capabilities:  
• Hangzhou Plant: 23,000m² | 20 enamel coating lines | 200+ wire drawing machines  
• Xuancheng Plant: 30,000m² | 19 enamel coating lines | 118 wire drawing machines  

Core Product Range:
- Enamelled Round Wire  
- Litz Wire (Served/Taped/Extruded/Profiled)  
- Diameter: Φ0.035mm-1.000mm (AWG47-18)  

Customization Options:
→ Insulation: Polyurethane, Polyesterimide, Polyamideimide  
→ Thermal Classes: 155°C to 240°C  

Certifications:  
IATF 16949 | ISO 9001 | UL E326617 | RoHS

Certifications

HANGZHOU HONGTONG designs and manufactures enameled wires to IEC standards while fulfilling custom quality requirements. Our production adheres to IATF 16949 and ISO 9001 certified systems, with product quality verified by UL (E326617), RoHS, and REACH certifications.  

FAQ

Q1. What temperature classes do your enameled wires support?

A: Our wires cover 130°C (Class B) to 240°C (Class C) thermal grades:  
| Class | Max Temp | Typical Applications |  
|     B   |    130°C    | Household appliances, small motors |  
|     F   |    155°C    | Industrial pumps, dry-type transformers |  
|     H   |    180°C    | EV traction motors, HVAC systems |  
|     C   |    240°C    | Aerospace controls, oil-filled transformers |  
*Custom formulations available for extreme environments.*  

Q2. What wire diameters can you provide?

A: Standard range: Φ0.035mm-1.000mm (AWG47-23).  
→ Non-standard sizes: Custom orders from 5kg batch.  
→ Precision tolerance: ±0.002mm (per IEC 60317).  

Q3: Are your products RoHS compliant?

A: Yes, all wires comply with:  
✓ RoHS Directive 2015/863 (Certificate E326617)  
✓ REACH SVHC <0.1%  
✓ UL ECOLOGO® standards  

Q4: How to optimize wire selection for high-frequency transformers?

|      Factor      |    Recommendation    |  Technical Benefit  |  
|  Skin Effect  |  Litz wire constructions  |  Reduces AC losses >85% @100kHz |  
|  Dielectric Loss  |  Polyesterimide coating  |  Minimizes capacitance drift  |  
|  Process Efficiency |  Self-bonding wires  |  Eliminates varnish process  |  
*Contact us for application-specific simulation reports.*