Are you looking for the best magnet wire manufacturers in China? If so, you’re in the right place. In this article, we’ll compare the top factories that specialize in producing high-quality magnet wires, helping you make an informed decision for your needs. Let’s dive into the leading companies and what they have to offer.

Magnet Wire Calculator

Product Details: Essex Furukawa’s magnet wire calculator is a tool for converting between Bare-Wire, Single-Build, and Heavy-Build to ensure correct product selection. The company is a leading global provider of magnet wire, serving major OEMs, Tier 1 suppliers, and industry leaders in automotive, energy, industrial, and commercial & residential sectors.

Pros:
– Ensures correct product selection through conversion between different wire type…
– Supports various applications including automotive, energy, and industrial secto…
– Provides necessary calculations for wire selection, enhancing accuracy and effic…

Cons:
– The calculator does not address material-specific advantages or disadvantages (e…
– Limited to wire type conversions without additional design or performance metric…

China Copper winding wire chart Manufacturers Factory …

Product Details: Copper winding wires are enamelled copper conductors used in coil windings for motors, transformers, generators, and other electromagnetic equipment. They come in various diameters (0.07 mm to 6.00 mm) and types, such as round and flat wires, with different enamel insulation materials like polyester, polyamide, and polyamideimide. These wires are available in various temperature indexes (e.g., 130°C, 155°C, 180°C, 200°C) and are used in applications including domestic equipment, pumps, motors, stabilizers, and auto electricals.

Pros:
– High conductivity and low resistivity, allowing for efficient current flow and m…
– Low heat generation due to low resistance, making them suitable for prolonged op…
– Low thermal expansion, maintaining structural integrity during continuous use.
– High thermal strength with various enamel insulations to withstand high temperat…
– High ductility and malleability, enabling wires of varying thicknesses and shape…
– High tensile strength and elongation, making them resistant to mechanical stress…
– High density, reducing the quantity of wire needed for applications and increasi…
– High corrosion resistance, suitable for harsh or moist environments.
– Easy end connections due to minimal oxidation.

Cons:
– Generally more expensive than aluminum winding wires.
– Higher material cost compared to aluminum, although less material may be require…
– May require additional handling care during manufacturing and installation due t…

Enamelled Copper Flat Wire

China Magnet Wire

Product Details: Essex Magnet Wire, 16 AWG, enameled copper wire. High temperature Class: 200°C (392°F). Insulation type: modified polyester basecoat and an improved polyamideimide topcoat. Heavy build, more durable than single build. Nominal Diameter: 0.0538 inch. Conforms to MW-35C, UL recognized Class 200. Applications include wind generators, motors, hermetic motors, DC motors, power tools, automotive alternators and generators, and dry type transformers.

Pros:
– Outstanding physical toughness and excellent dielectric properties.
– Superior chemical resistance to most common solvents and refrigerants.
– Excellent windability verified by years of experience on various winders.
– Better high slot fill and insertability due to improved topcoat.
– High power density and better heat dissipation compared to some alternatives.

Cons:
– Round copper winding wires have lower power density and less efficient heat diss…
– May not provide a high fill factor in the slots, making the motor bulkier.
– Handling and bending of round wires, though generally easier than rectangular wi…

Square Magnet Wire Chart – Enameled Copper Wire

Product Details: Square magnet wire is characterized by its rectangular cross-section, which offers several advantages over traditional round magnet wire. It is available in various sizes and temperature classes, such as 155°C, 180°C, 200°C, and 220°C. The insulation is typically made of a modified polyester basecoat and a polyamideimide topcoat, providing excellent physical toughness, dielectric properties, and chemical resistance. It is widely used in applications like EV motors, transformers, inductors, and other high-performance electrical components[2][4][5].

Pros:
– Optimizes coil design with a higher fill factor and better stackability, leading…
– Enhances efficiency by improving current-carrying capacity, reducing resistance,…
– Facilitates miniaturization by maximizing winding fill factor and reducing proxi…
– Improves thermal performance with increased surface area for better heat dissipa…

Cons:
– The manufacturing process is complex and time-consuming, requiring specialized m…
– Handling rectangular wires requires extra care due to their susceptibility to in…
– They are less flexible and cannot be bent in all directions, making them prone t…
– Winding difficulty is higher compared to round wires, and uniform enameling can…

China Enameled Wire Manufacturer, Enameled Wire Supplier

Product Details: Zhengzhou LP Industry Co., Ltd produces enameled wire, including enameled aluminum wire and enameled copper wire. The wire is available in various shapes such as round, flat/rectangular, and has dimensions ranging from 0.020mm to 5mm. The thermal class varies from 155°C to 220°C. The insulation materials used are polyurethane, polyamide, and polyester. The wire is certified by UL and complies with international standards like IEC, NEMA, JIS, and GB. It is widely used in applications such as dry type transformers, motors, generators, and other electrical components[1][3][5].

Pros:
– Excellent thermal and electrical conductivity
– High durability and resistance to corrosion
– Flexible and can be molded into different shapes and forms
– Long shelf life and low cost
– High voltage breakdown and effective for miniaturized transformer and coil desig…
– Good electrical insulation properties and protection against corrosion

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

MagneTemp® CA-200 & CA2-200

Product Details: MagneTemp CA-200 is a magnet wire produced by Essex Furukawa, made from copper material. It has a temperature index of 210°C and is insulated with THEIC-Modified Polyester-imide and Polyamide-imide coatings. The wire is available in both rectangular and round shapes, with sizes ranging from 0.060-0.11 mm (Grade 1) to 0.15 – 5.20 mm in diameter (Grade 2 & Grade 3). It meets NEMA standards MW 35, MW 36-C, and MW 73.

Pros:
– Good resistance to heat shock and high temperature overload.
– Excellent mechanical characteristics and chemical properties.

Cons:
– No specific cons mentioned in the provided source.

Insulated Copper Magnet Wire

Product Details: Enameled copper magnet wire is a type of insulated wire used in the construction of transformers, wound coils, motors, solenoids, and other electrical components. It typically features a solid copper conductor coated with a thin layer of insulation, such as polyurethane, polyamide, or other polymer films. The wire is available in various gauges (e.g., 16 AWG to 38 AWG) and has a specific temperature rating, often up to 155°C (311°F). It is designed to meet standards like NEMA MW-80-C and is RoHS compliant.

Pros:
– High-quality insulation prevents short circuits and ensures current flows throug…
– Durable and resistant to thermal overload, with good mechanical and dielectric p…
– Can be welded directly without scraping the insulation layer.
– Suitable for a wide range of applications, including transformers, inductors, mo…
– Excellent thermal stability and chemical resistance to common solvents and coola…

Cons:
– The insulation layer can sometimes be overlooked in calculations, leading to mis…
– Different insulation grades and thicknesses may require specific handling and co…
– Higher temperature ratings may require more expensive insulation materials.

Solid 0.045mm Ultrafine Copper Enameled Magnet Wire

Product Details: The 0.045mm Polyurethane Insulated Solderable Enameled Copper Magnet Wire features solid copper construction, ensuring durability and high conductivity. It has a polyurethane insulation with a thermal class of 155/180 and a breakdown voltage of 1043V. The wire is suitable 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 temperature resistance with a thermal class of 155/180.
– Easy solderability at low temperatures.
– High breakdown voltage of 1043V.
– Compliance with multiple industry standards (ISO9001, ISO4001, UL, SGS, IEC, NEM…
– Aesthetic flexibility with various color options.

Cons:
– The enamel coating can be thicker than bare copper, which may affect soldering p…
– Potential for cracks in the insulation coating if the curing temperature is too…
– Requires careful handling to avoid mechanical stress that could damage the insul…

Magnet Wire-China Shandong Huilong Electric Co. , Ltd.

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 is available in various gauges and temperature classes, with common temperature ranges including -22°F to 311°F (-30°C to 155°C) for copper and similar ranges for aluminum[3][5].

Pros:
– High electrical conductivity, especially in copper magnet wire[3][5].
– Rectangular magnet wires offer better fill factor, higher power density, and imp…
– Aluminum magnet wire is lightweight, flexible, and can withstand high temperatur…
– Magnet wire is versatile and used in a wide range of applications including moto…

Cons:
– Round copper winding wires have lower power density and less efficient heat diss…
– Aluminum magnet wire has lower electrical conductivity than copper and a shorter…
– Rectangular copper wires are more expensive, require special machinery to manufa…
– Aluminum magnet wire is more expensive than copper and has limited corrosion res…

Comparison Table

Frequently Asked Questions (FAQs)

What types of magnet wire products do Chinese factories typically offer?

Chinese factories specializing in magnet wire often produce a wide range of products, including enameled copper round wire, enameled aluminum round wire, flat wire, copper clad aluminum (CCA) wire, and various other specialized wires like silk covered Litz wire and bonding wire. These products are designed for different electrical applications such as motors, transformers, and magnetic coils.

What quality standards do Chinese magnet wire factories adhere to?

Many Chinese magnet wire factories strictly implement international standards such as IEC, NEMA, and JIS to ensure high-quality products. They also meet China’s environmental requirements and use advanced production equipment to maintain consistent quality. For example, some factories use high-quality wire enamels from renowned manufacturers like Elantas and conduct multiple inspection procedures to guarantee product reliability.

How can I ensure the quality and reliability of the magnet wire products?

To ensure the quality and reliability of magnet wire products, you should ask about third-party audits and certifications. Reputable factories have completed audits to confirm their ability to manufacture products to high standards. Additionally, look for factories that conduct regular inspections, such as every 45 minutes, and have a robust testing process in place.

What is the typical production capacity and lead time for magnet wire orders?

The production capacity and lead time can vary significantly depending on the factory. Smaller factories might offer more flexibility and lower minimum order quantities, while larger factories may have better systems in place for quality control and faster lead times. It’s important to ask about the factory’s capacity and typical lead times to align with your business needs.

How can I establish a good relationship with a Chinese magnet wire supplier?

Building a good relationship with a Chinese magnet wire supplier involves clear communication and trust. Ask about their new product developments to stay ahead in the market, inquire about their experience with other customers, and consider visiting the factory to build a face-to-face relationship. Showing interest in their operations and asking the right questions can help you establish a long-term and mutually beneficial trade relationship.