High-Quality Oxygen Free Wire Manufacturers & Suppliers

Pioneering High-Conductivity Solutions for Next-Gen 5G, EV, and Aerospace Applications

The Science of Superior Conductivity: Why Oxygen-Free (OFC) Wire Matters

In the modern industrial landscape, "High-Quality Oxygen Free Wire" is not just a component; it is the backbone of technological advancement. Oxygen-Free High Conductivity (OFHC) copper is refined in a vacuum or a reduced atmosphere to ensure oxygen levels below 0.001% (10ppm). As a leading Oxygen Free Wire Manufacturer, Sichuan Kepai New Material Co., Ltd. understands that even minute levels of oxygen can lead to "hydrogen embrittlement" or reduced electrical efficiency in high-stress environments.

Our oxygen-free wires offer an IACS (International Annealed Copper Standard) conductivity rating of 101% or higher. This level of purity ensures that signal loss is minimized in high-frequency 5G communications and power loss is mitigated in Electric Vehicle (EV) charging infrastructures.

  • Ultra-low oxygen content (<10 ppm) for maximum thermal stability.
  • High electrical conductivity (≥101% IACS).
  • Superior ductility and drawability for fine-wire applications.
  • Immunity to hydrogen embrittlement during brazing and welding.
Oxygen Free Copper Production

Sichuan Kepai New Material Co., Ltd.

A High-Tech Enterprise Integrating R&D, Production, and Global Supply

Established in 2017, Sichuan Kepai New Materials Co., Ltd. is a strategic leader in the national 13th Five-Year Plan for emerging new materials. Occupying a 9,000-square-meter facility with cutting-edge technology, we specialize in tellurium copper, high-conductivity oxygen-free copper, silver copper, and dispersion copper. Our focus remains on high-end solutions for new energy vehicles, 5G technology, laser cutting, and lithium battery relays.
2017

Year Established

9000㎡

Factory Area

1000㎡

Office Space

101%

Max IACS Conductivity

Technical Roadmap & Future Outlook

Navigating the transition from 5G to 6G and the evolution of Solid-State Batteries

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The 6G Era & Beyond

As frequencies increase towards the Terahertz range, the "Skin Effect" becomes critical. Our R&D is currently developing ultra-smooth surface oxygen-free wire to ensure zero-loss transmission in 6G base stations.

Solid-State Battery Connectivity

The next generation of EVs demands connectors that can handle 1000V+ and 500A+. Our C10100 series oxygen-free copper is being optimized for high-temperature stability in solid-state battery relays.

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Nanocrystalline Grain Control

We are researching grain refinement techniques to improve the mechanical strength of oxygen-free copper without sacrificing its legendary conductivity, perfect for micro-electronics.

Macro Industry Solutions: Integrated Copper Ecosystems

Industrial Applications

A Multi-Sector Approach

As a global Oxygen Free Wire Supplier, Kepai provides more than just raw material. We offer macro-solutions that address the specific pain points of different industries:

  • Aerospace: Lightweight, ultra-conductive wires that withstand extreme atmospheric pressure variations.
  • Medical Imaging: Non-magnetic oxygen-free copper for MRI and high-precision diagnostic equipment.
  • Semiconductors: High-purity sputtering targets and lead frames that ensure zero contamination.
  • Green Energy: High-efficiency busbars for solar inverters and wind turbine generators.

China Factory 4.0: Supply Chain Resilience

Leveraging Smart Manufacturing to Guarantee Lead Times and Quality

Real-Time Smelting Monitoring

Our smelting process utilizes AI-driven sensors to detect impurity levels in real-time, adjusting the vacuum pressure automatically to maintain oxygen levels below 5ppm.

End-to-End Traceability

Each batch of Oxygen Free Wire is assigned a digital ID, allowing customers to trace the material from the raw cathode copper to the final drawing stage.

Agile Supply Logistics

Located in Sichuan's industrial hub, we leverage China's world-class logistics network to offer shorter lead times than Western competitors, even for custom alloy requests.

State-of-the-Art Production & Testing

Precision equipment ensures every millimeter of wire meets international standards

Smelting

Vacuum Smelting

Extrusion

Precision Extrusion

Drawing

High-Speed Drawing

Eddy Current

Eddy Current Conductance

Testing

Servo Universal Testing Machine

Hardness

Digital Hardness Tester

Localization Support & Global Compliance

We understand the complexities of global procurement. Our products are fully compliant with RoHS, REACH, and ISO 9001:2015 standards, ensuring they meet the environmental and safety regulations of the EU, North America, and Japan.

Beyond certificates, we provide localization support through technical consultations, helping our partners select the right alloy for their specific regional power grids or automotive standards (e.g., USCAR or DIN).

ISO RoHS REACH

Global Procurement Needs

Why Tier-1 Suppliers Choose Kepai:

  • Scale & Flexibility: Small batch R&D orders to mass production.
  • Custom Alloys: Tailored sulfur, tellurium, or silver content.
  • Risk Mitigation: Diversified supply chain origin to avoid regional bottlenecks.
  • Technical E-E-A-T: Deep metallurgical expertise available for project co-development.

Frequently Asked Questions (FAQ)

Expert insights into Oxygen-Free Copper Technology

What is the difference between C11000 and Oxygen Free C10200?
C11000 (ETP Copper) contains a small amount of oxygen which can cause hydrogen embrittlement. C10200 (Oxygen Free) is produced by melting in a reducing atmosphere, making it ideal for high-vacuum applications and brazing where material integrity is paramount.
How does Kepai ensure the "Information Gain" in its production?
We go beyond standard specs by providing detailed grain structure analysis and conductivity reports for every batch, offering our clients "Technical Increment" that helps them optimize their own downstream manufacturing processes.
Can you produce Oxygen Free Wire with customized mechanical properties?
Yes. Through controlled work hardening and annealing cycles, we can adjust the tensile strength and elongation of our oxygen-free wire to suit applications ranging from flexible cables to rigid busbars.
What is the lead time for international shipping?
Typically, production takes 2-3 weeks depending on volume. With our proximity to major international ports, transit times to Europe or North America range from 4 to 6 weeks, or 1 week via air freight.

Ready to Elevate Your Supply Chain?

Join global industry leaders who trust Sichuan Kepai for high-performance copper alloys.