Are you looking for the best enamel coating copper wire factories in China? If so, you’re in the right place. China is home to a plethora of top-notch manufacturers, each offering high-quality enameled copper wires used in everything from motors and transformers to cutting-edge communications technology. Let’s dive into the top contenders and see what sets them apart.

Professional Enameled Wire Manufacturer In China

Product Details: Enameled Flat Copper Wire: Flat wire thickness: 0.80-5.60mm, Flat wire width: 2.00-16.00mm, Width/thickness ratio: 1.4<W/T<8.0. Conductor: enamelled copper wire. Thermal Class: 180°C, 200°C, 220°C. Standards: IEC 60317-16, 60317-16/28, MW36 60317-29 BS6811, MW18 60317-18, MW20 60317-47. Package: Wooden spool, plastic spool or according to customer requirements. Application: transformers, motors, photovoltaic inverters and various electrical equipment.

Pros:
– Excellent bending property
– High flexibility of the enamel
– Good resistance to abrasion
– High mechanical property
– Higher thermal property
– Good resistance to refrigerant and freon
– Suitable for windings subjected to high temperature and mechanical stress
– Good chemical resistance
– Outstanding mechanical and chemical properties

Cons:
– Increased sensitivity
– Lower voltage
– Low resistance to temperature changes
– Coating not resistant to heat, highly flammable
– Not compatible with paints having fast solvent volatilization and high viscosity

China Enamelled Copper Wire & Rectangular …

Product Details: Ultrafine copper wire is made from high purity copper with excellent electrical and thermal conductivity. It is available in very fine diameters, such as 0.025mm to 0.05mm, and is used in precise applications like microelectronics, medical devices, internal wiring for smartphones and personal computers, and medical probe cables. The wire can be bare annealed copper, oxygen-free copper, or alloy wires with various platings like tin, silver, or nickel.

Pros:
– Excellent electrical and thermal conductivity
– High ductility and flexibility, making it suitable for tight spaces and complex…
– Ideal for precise applications in microelectronics and medical devices
– Durable and resistant to corrosion, especially when tinned
– 100% recyclable, contributing to sustainable practices
– Cost-effective for small-scale applications and compatible with existing infrast…

Cons:
– Limited bandwidth and transmission distance, making it less suitable for long-di…
– Susceptible to electromagnetic interference and signal degradation
– Higher cost compared to alternatives like aluminum for large-scale installations
– Relatively heavy, which can be a concern in certain applications
– Vulnerable to oxidation over time and theft due to its high value

China Enameled Wire Manufacturer …

Product Details: Zhengzhou LP Industry Co., Ltd produces enameled wire with various specifications. The materials include aluminum and copper conductors. The insulation types are polyurethane, polyamide, and polyester. The wire shapes available are round, flat/rectangular, and square. Dimensions range from 0.020mm to 5mm for round wires and 5-65mm² for flat wires. Thermal classes include 155°C, 200°C, and 220°C. The products comply with international standards such as IEC, NEMA, JIS, and GB. Applications include transformer, motor, generator, car, aerospace, and other industries. The company also offers double-coated rectangular wires and ultra-fine rectangular enameled copper wires for specific purposes like electronic transformers and micro

motors[3][5].

Pros:
– High resistance to heat and abrasion
– Long shelf life
– Excellent electrical insulation properties and protection against corrosion
– High durability and resistance to most copper alloys
– Flexible and can be molded into different shapes and forms
– Low price and cost-effective
– Higher voltage breakdown and higher outer diameter, making it effective for tran…
– Complies with international standards such as IEC, NEMA, JIS, and GB

Cons:
– Low resistance to temperature changes, making the coating not resistant to heat…
– Not compatible with paints having fast solvent volatilization and high viscosity
– Increased sensitivity and lower voltage compared to other types of wires

Customized Color Enamelled copper Wire / Varnished …

Product Details: Customized color enamelled copper wire is a type of resistance wire coated with various enamel types such as polyurethane, polyesterimide, polyamidimide, or polyimide. These wires are used in applications requiring high electrical resistance, mechanical strength, and thermal stability. They are available in different colors and can be customized for specific uses in instruments, electrical heating cables, and other low-voltage electrical products.

Pros:
– High electrical resistance and stable resistivity
– Good mechanical strength and bending performance
– High temperature resistance and stability
– Available in various enamel types for different applications
– Customizable colors for identification and coding

Cons:
– May have lower conductivity compared to pure copper
– Certain enamel types may not be suitable for direct soldering
– Can be more expensive than other types of resistance wires

Enamelled Copper Flat Wire

Product Details: Magnet wire is an insulated copper or aluminum conductor used to wind motors, transformers, generators, and other electrical devices. It is coated with a thin layer of insulation, typically made of polymer film materials such as polyurethane, polyamide, or polyimide. The wire diameter can vary, but for example, a 42-gauge magnet wire has a diameter of 0.003 in (0.076mm) and a temperature range of -22°F (-30°C) to 311°F (155°C)[1][3][5].

Pros:
– Offers high electrical conductivity, especially with copper magnet wire[3][5].
– Rectangular magnet wires provide better fill factor, higher power density, and b…
– Aluminum magnet wire is lightweight, flexible, and can withstand high temperatur…
– Magnet wire is versatile and used in various applications including motors, tran…

Cons:
– Aluminum magnet wire has lower electrical conductivity than copper and is prone…
– Rectangular copper wires are more expensive, require special machinery to manufa…
– Round copper winding wires have lower power density and less efficient heat diss…
– Aluminum magnet wire lacks corrosion resistance and is not recommended for certa…

Solid 0.045mm Ultrafine Copper Enameled Magnet Wire

Product Details: The 0.045mm ultra-fine copper magnet wire is made from solid copper and coated with a thin layer of polyurethane insulation. It has a thermal class of 155/180 and a breakdown voltage of 1043V. The wire is solderable at low temperatures and is certified by ISO9001, ISO4001, UL, and SGS, adhering to IEC, NEMA, and JIS standards. It is available in various colors such as reddish-brown, red, and black.

Pros:
– High conductivity and durability due to solid copper construction.
– Excellent electrical isolation and flexibility provided by the polyurethane insu…
– Solderable at low temperatures, enhancing versatility in integration.
– High thermal class and breakdown voltage, suitable for demanding applications.
– Certified by multiple standards ensuring safety and performance.
– Careful packaging ensures the wire arrives in perfect condition.

Cons:
– The enamel coating can be prone to cracks if the curing temperature is too high.
– Requires precise temperature control during the curing process to avoid solvent…
– May have higher production costs due to the complex enamelling process.

28/30/32/34 Gauge Enamel Coated Copper Wire

China Ultra Fine Enameled Copper Wire

China Enameled Copper Wire Suppliers & Manufacturers

Product Details: Enameled copper wire, also known as magnet wire, is a type of copper wire coated with a thin layer of enamel insulation. It is primarily used in applications such as transformers, motors, generators, and other electrical components where coils are wound to generate magnetic fields and electrical currents. The wire is available in various gauges (from about 5 AWG to 40 AWG) and has excellent thermal and electrical conductivity. The enamel insulation is typically made of modified polyester resin and modified amide imide resin, providing high thermal stability and resistance to corrosion[1][2][3].

Pros:
– High thermal stability and resistance to corrosion
– Excellent dielectric and mechanical properties
– Good chemical resistance to common solvents and coolants
– High resistance to abrasion and mechanical stresses
– Flexible and can be easily formed into different shapes and cables
– Long shelf life and durability, making it ideal for electromagnets and high-spee…
– Allows multiple layers of wire to be wound together without short-circuiting

Cons:
– Increased sensitivity and lower voltage compared to other types of wire
– Low resistance to temperature changes, which can lead to insulation breakdown an…
– Not compatible with paints having fast solvent volatilization and high viscosity
– Requires careful handling and storage to prevent damage to the enamel insulation
– Excessive heat can lead to insulation breakdown, short circuits, and equipment f…

Super Thin Copper Wire Enamel Coating 30 Gauge 0.012mm …

Product Details: The product is a 30-gauge, 0.012mm super-thin copper wire with an enamel coating. It is made from high-purity copper and features a thin layer of enamel insulation to prevent short circuits when wound into coils. The wire is suitable for applications in motors, transformers, electromagnets, and inductors. It has a thermal grade of 155 and is certified by IEC/NEMA/JIS/RoHS/ISO standards.

Pros:
– Excellent resistance to abrasion and solvents
– High electricity performance and heat shock resistance
– Good adherence and flexibility
– High breakdown voltage
– Space-saving due to thin enamel insulation
– Suitable for various electrical machine and apparatus windings

Cons:
– May require specialized handling due to its thin diameter
– Potential for pinholes if not manufactured correctly
– Limited availability in certain regions
– Requires precise winding techniques to avoid damage

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Enamel Coating Copper Wire Factories in China

What materials are used in the production of enameled copper wire in China?

In Chinese factories, the primary material used for enameled copper wire is high-quality copper, often in the form of copper rods or wires. The enamel insulation is typically made from various polymer resins such as polyurethane, polyester, polyamide, or polyimide, each offering different properties and temperature ratings.

How is the enamel coating applied to the copper wire?

The enamel coating is applied by passing the copper wire through a series of guides and dies while it is immersed in the enamel solution. This process ensures a uniform and consistent thickness of the enamel coating. Depending on the application, the wire may go through multiple enamel coating passes to achieve the desired insulation level.

What is the curing process for enameled copper wire?

After the enamel coating is applied, the wire is subjected to a curing process in an oven or heated chamber at specific temperatures. This process, also known as thermal treatment, cures the enamel, removes any solvents, and enhances the adhesion of the enamel to the copper conductor. The temperatures can range from 250 to 300°C, and the process is repeated until the desired thickness is achieved.

What quality control measures are taken during the manufacturing process?

Chinese factories conduct rigorous testing and quality control measures to ensure the wire’s insulation integrity and compliance with industry standards. These tests include spark tests, dielectric tests, and thermal class testing. Additionally, measurements of diameter, insulation thickness, and mechanical properties are checked to guarantee consistent performance and reliability.

What are the common applications of enameled copper wire produced in China?

Enameled copper wire is widely used in various electrical and electronic applications, including the manufacturing of coils for transformers, inductors, motors, and other electrical devices. It is also essential for household appliances, industrial machinery, and even in speaker voice coils due to its excellent conductivity, thermal stability, and malleability.