Are you looking for the best enamel coated magnet wire factories in China? If so, you’re in the right place. In this article, we’ll compare the top manufacturers, highlighting their unique strengths, product quality, and what sets them apart in the industry. Let’s dive in and find the perfect fit for your needs.

Professional Enameled Wire Manufacturer In China -China …

Product Details: Enameled Flat Copper Wire with flat wire thickness ranging from 0.80-5.60mm and width from 2.00-16.00mm. The width/thickness ratio is between 1.4 and 8.0. The conductor is enamelled copper wire, and it is available in various thermal classes (180°C, 200°C, 220°C). Standards include IEC 60317-16, 60317-16/28, MW36 60317-29 BS6811, MW18 60317-18, and MW20 60317-47. The wire is packaged on wooden spools, plastic spools, or as per customer requirements. It is used in transformers, motors, photovoltaic inverters, and other 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 and lower voltage
– Low resistance to temperature changes
– The coating is not resistant to heat and is highly flammable
– Not compatible with paints with fast solvent volatilization and high viscosity

China Enameled Wire Manufacturer, Enameled Wire Supplier

JOGO Group China | High Quality Winding Wire

Product Details: Enameled round copper wire is made from electrolytic copper (Cu-ETP) with high purity (99.95%), allowing for the production of ultra fine wire down to a diameter of 10 microns. It is available in diameters from 0.010mm to 5.00mm (SWG5-40, AWG4-38) with various insulations such as Polyurethane, Polyester, Polyesterimide, and Polyimide. The wire meets production standards: IEC60317, NEMA MW1000/JIS C3202. Different thermal classes include 120, 130, 155, 180, and 200 degrees, suitable for various applications including oil-immersed transformers, high and low voltage DC/AC motors, and high-temperature magnet coils.

Pros:
– Excellent bending properties
– Higher thermal properties
– Excellent thermal resistance suitable for high working temperatures
– Available in a wide range of diameters and insulation types
– Meets international production standards (IEC60317, NEMA MW1000/JIS C3202)

Cons:
– No specific cons mentioned for enameled round copper wire, but general considera…

China Enamelled Copper Wire & Rectangular Copper Wire …

Product Details: The Ultrafine Magnetic Copper Wire is designed for voice coils and windings. It has a diameter of 0.02mm and is made from copper. The wire is enamel insulated and has a thermal rating of 155. It is used in applications requiring high conductivity and precision, such as in voice coils and other magnetic components.

Pros:
– High electrical conductivity, making it ideal for applications requiring efficie…
– Excellent thermal rating of 155, ensuring reliable performance under various tem…
– Enamel insulation provides good electrical isolation and protection against envi…
– Ultrafine diameter allows for precise applications and space-saving designs.

Cons:
– Higher cost compared to other materials like aluminum, which can be a deterrent…
– Copper can oxidize over time when exposed to air, potentially affecting its appe…
– Relatively heavy compared to other wiring materials, which can be a challenge in…
– Vulnerability to theft due to its high value.

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 very thin layer of insulation, typically made of polymer film materials such as polyurethane, polyamide, or polyimide. The wire is classified by diameter (AWG number, SWG or millimeters), temperature class, and insulation class. Common temperature classes include 105 °C, 130 °C, 155 °C, 180 °C, and 220 °C[3][5].

Pros:
– Copper magnet wire has high electrical conductivity and is durable, making it su…
– Aluminum magnet wire is lighter, more cost-effective, and has good mechanical pr…
– Magnet wire is available with various insulation types, allowing for operation i…

Cons:
– Aluminum magnet wire has lower electrical conductivity compared to copper and re…
– Aluminum wire is prone to breakage, has a limited service life, and can be probl…
– Copper magnet wire is more expensive than aluminum and can be heavier, making it…

Solid 0.045mm Ultrafine Copper Enameled Magnet Wire

Product Details: The 0.045mm ultrafine copper enameled magnet wire features solid copper construction with polyurethane insulation. It has a thermal class of 155/180 and a breakdown voltage of 1043V. This wire is designed for use in relays, transformers, motors, and various types of windings. It is certified by ISO9001, ISO4001, UL, and SGS, and adheres to IEC, NEMA, and JIS standards. The wire is available in reddish-brown, red, and black colors and is carefully packaged on plastic spools within wooden pallets and cases.

Pros:
– High conductivity and durability due to solid copper construction.
– Excellent electrical isolation and flexibility thanks to thin and robust polyure…
– High thermal resistance and low-temperature solderability.
– High breakdown voltage of 1043V and nearly zero pinholes.
– Compliance with multiple industry standards for safety and performance.
– Aesthetic flexibility with various color options.

Cons:
– The enamel coating can be thicker than bare copper, which may affect soldering e…
– If the temperature during the curing process is not controlled properly, it can…
– Higher cost compared to other types of insulated wires due to the high-quality m…

China Enameled Aluminum Magnet Wire Manufacturers, …

China Enameled Copper Wire Suppliers & Manufacturers

China Ultra Fine Enameled Copper Wire

Product Details: Ultra-fine enameled copper wire is made by coating rectangular or round copper wire with high-temperature insulating varnish. It is available in various dimensions, such as thickness ranging from 0.080-1.20mm and width from 0.2-6.0mm. The wire meets standards like UL, SGS, ROHS, and ISO. It is used in applications requiring high temperature and voltage resistance, such as electronic transformers, power supplies, solar energy, wireless chargers, and automotive electronics[1][3][5].

Pros:
– High coil spacer factor rate, reducing resistance and increasing current capacit…
– Larger surface area, better thermal performance, and improved skin effect at hig…
– Excellent electrical insulation properties, protection against corrosion, and hi…
– Good solderability, reducing coil production costs by eliminating mechanical or…
– Superior ‘Q’ characteristic at high frequencies, excellent film adhesion, and fl…
– Resistant to various solvents, including most varnishes and hardener catalysts[5…

Cons:
– Increased sensitivity and lower voltage compared to other types of wires[2].
– Low resistance to temperature changes, and the coating is not resistant to heat,…
– Not compatible with paints having fast solvent volatilization and high viscosity…
– Thicker enamel can make soldering more challenging compared to bare copper wire[…

LP Magnet wire

Product Details: Copper winding wires are film-insulated copper electrical conductors used in coil windings for motors, transformers, generators, and other electromagnetic equipment. They are available in various enamel coatings such as polyester, polyesterimide, and polyamideimide. These wires come in different gauges (5 swg – 40 swg) and are used in applications like domestic equipment, pumps, motors, stabilizers, transformers, fans, auto electricals, and heavy-duty domestic appliances.

Pros:
– Good electrical characteristics and heat resistance
– High thermal shock resistance depending on the enamel coating
– Suitable for high-speed machine winding
– Less expensive and more flexible compared to foil winding
– Easier to manufacture and requires less specialized equipment
– Higher electrical conductivity compared to aluminum

Cons:
– Lower power density and requires more space compared to foil winding
– Poor resistance to hydrolytic degradation in some enamel coatings
– Care must be taken when used in sealed equipment
– More mechanical stress and larger size compared to foil winding
– Greater maintenance required if not properly insulated

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Enamel Coated Magnet Wire Factories in China

What materials are typically used in the production of enamel coated magnet wire in China?

In China, the primary materials used for producing enamel coated magnet wire are high-quality copper or aluminum. Copper is preferred for its excellent electrical conductivity, while aluminum is used for its lighter weight and cost-effectiveness. The enamel insulation is 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 magnet wire?

The enamel coating is applied through a controlled process where the wire is passed through a series of guides and dies while being immersed in the enamel solution. This ensures a uniform and consistent thickness of the enamel coating. Depending on the application, the wire may undergo multiple enamel coating passes to achieve the desired insulation level.

What is the curing process for enamel coated magnet wire, and why is it important?

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 cures the enamel, removes any solvents, and enhances the adhesion of the enamel to the conductor. It is crucial for imparting the necessary electrical and mechanical properties to the wire, ensuring it meets industry standards.

What kind of quality control measures are in place for enamel coated magnet wire production in China?

Chinese factories implementing strict quality control measures include various tests such as spark tests, dielectric tests, and thermal class testing to ensure the wire’s insulation integrity. They also conduct measurements of diameter, insulation thickness, and mechanical properties. Additionally, some factories inspect their products every 45 minutes, 24 hours a day, to guarantee consistent performance and reliability.

Which certifications and standards do Chinese enamel coated magnet wire factories adhere to?

Many Chinese factories adhere to international standards such as IEC, NEMA, and JIS. They also comply with environmental requirements and hold certifications like UL, ISO9001, ISO14001, RoHS, and Reach. These standards ensure that the products meet global quality and safety requirements, making them reliable for use in various electrical and electronic applications.