Oxygen-Free Copper Wire | High Purity Copper Conductors

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Oxygen Free Copper Wire (OFC)

Purity level exceeding 99.97%

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Oxygen Free Copper Wire (OFC)

Oxygen-free copper wire (OFC) is a high-purity material ideal for applications that require efficient conductivity and reliability. We offer two grades to suit different production needs: No. 1 oxygen-free copper (CU > 99.97%) and No. 2 oxygen-free copper (CU > 99.95%). These wires are available in diameters ranging from 0.02mm to 2.0mm and come in various configurations, including single wire, stranded wire, multi-strand wire ropes, and parallel multi-wires. To manufacture quality OFC wires, several processes are involved, including drawing, annealing, stranding, electroplating, and insulation. The high purity and precise processing of these wires ensure optimal performance in electrical and communication systems, making them a preferred choice for demanding applications.

Typical Applications

Used in electrical wires, cables, and electronic components such as printed circuit boards.
Suitable for windings in electrical equipment, including generators and transformers.

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Specifications

Conductor Material	Category	Purity	Oxygen Content	Impurity Content	Wire Diameter
Oxygen Free Copper	No. 1 Oxygen Free Copper	99.97%	≤0.003%	≤0.03%	0.02-8.0mm
Oxygen Free Copper	No. 2 Oxygen Free Copper	99.95%	≤0.005%	≤0.05%	0.02-8.0mm

Options of Custom Secondary Processing

Wire Drawing	Wire Stranding/Multi-Wire Processing	Wire Plating
Can be drawn down to 0.02mm	Stranded Wires, Parallel Multi Wires	Bare Wire, Tin Plating, Silver Plating, Nickel Plating, Copper Plating Enameling: Polyurethane QA(UEW), 155/180℃ Polyester QZ(PEW), 130/155℃ Polyesterimide QZY(EIW), 180℃ Polyamideimide QXY(AIW), 200/220℃

Features

Ensures stable performance with effective heat dissipation due to its high thermal conductivity.
Easily shaped into wires, rods, or tubes, providing versatility for various manufacturing processes.
Resists corrosion in standard environmental conditions thanks to its high purity and minimal impurities.
Supports advanced applications with diameters starting at 0.02mm and multi-strand designs, offering enhanced flexibility and bending resistance.

Wire Spools & Packaging

We provide wire spools in three different types: plastic, wood, and metal. Each option is designed to cater to specific customer preferences and ensure efficient handling and storage.
Standard packaging options include cardboard boxes, foam boxes, wooden crates, and wooden pallets, ensuring safe transport and handling.
Wooden packaging such as crates and pallets are made from fumigated solid wood or non-fumigated plywood. Custom packaging solutions are available based on customer requirements.

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Looking for customized copper and copper alloy wire solutions? Our team is here to help. Contact us to discuss your requirements and get guidance on the best conductor options for your applications.

Email: lynn.dai@czeto.com

Tel.: +86-13806116555

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With extensive manufacturing capabilities, we provide high-quality copper and copper alloy conductors tailored to industry demands

Our production facilities manufacture over 800 tons of conductors per month, providing a stable and scalable supply for various industries.
With a product portfolio of more than 400 types of conductors, we offer solutions that meet diverse application needs.
More than 800 companies worldwide rely on our conductors, which proves our commitment to quality, efficiency, and long-term partnerships.

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