What Is Oxygen-Free Copper Metal Clad Sheet?

Oxygen-free copper metal clad sheets, commonly referred to as copper clad plates, are integral components in various industries due to their exceptional electrical and thermal conductivity, corrosion resistance, and mechanical strength. These materials are especially prevalent in the electronics, automotive, aerospace, and construction sectors.​

What Is Oxygen-Free Copper Metal Clad Sheet?
An oxygen-free copper metal clad sheet is a composite material consisting of a base metal, such as aluminum or steel, bonded with a layer of oxygen-free copper (OFC). OFC is characterized by its high purity, typically containing less than 0.001% oxygen, which enhances its electrical conductivity and resistance to oxidation. The bonding process can involve various techniques, including explosive welding, roll bonding, or diffusion bonding, resulting in a material that combines the advantageous properties of both metals.​

What Are the Advantages of Using Copper Clad Plates?
Copper clad plates offer several benefits that make them suitable for demanding applications:​

Enhanced Electrical Conductivity: The high purity of oxygen-free copper ensures superior electrical conductivity, making these plates ideal for electrical and electronic applications.​

Improved Thermal Conductivity: Copper's excellent thermal conductivity facilitates efficient heat dissipation, which is crucial in power electronics and heat exchanger systems.​

Corrosion Resistance: The copper layer provides a protective barrier against corrosion, extending the lifespan of the base metal.​

Mechanical Strength: The combination of copper with a robust base metal like steel or aluminum results in a material that maintains structural integrity under mechanical stress.​

Cost-Effectiveness: By utilizing a less expensive base metal and a thin layer of copper, copper clad plates offer a cost-effective solution without compromising performance.​

How Is Oxygen-Free Copper Different from Regular Copper?
The primary distinction between oxygen-free copper and regular copper lies in their oxygen content and resulting properties:​

Purity: Oxygen-free copper has a purity level of 99.99%, with oxygen content below 0.001%, whereas regular copper contains higher levels of oxygen and other impurities.​

Electrical Conductivity: The reduced oxygen content in OFC minimizes the formation of copper oxides, which can impede electrical conductivity. As a result, OFC exhibits superior electrical performance compared to regular copper.​

Corrosion Resistance: OFC's low oxygen content enhances its resistance to oxidation and corrosion, making it more durable in harsh environments.​

Applications: Due to its high purity and conductivity, OFC is preferred in high-performance applications such as high-end audio equipment, aerospace components, and specialized electronic devices.​

What Are the Common Applications of Copper Clad Plates?
Copper clad plates are utilized across various industries due to their unique combination of properties:​

Electronics: Used in printed circuit boards (PCBs) and other electronic components for efficient electrical conduction and heat dissipation.​

Automotive: Employed in electric vehicle components, battery connectors, and heat exchangers to leverage their conductivity and strength.​

Aerospace: Applied in aircraft systems where lightweight materials with high conductivity and strength are essential.​

Construction: Utilized in architectural elements and structural components for their aesthetic appeal and corrosion resistance.​

Power Generation: Implemented in transformers, switchgear, and other electrical equipment requiring reliable conductivity and durability.​

Oxygen-free copper metal clad sheets, or copper clad plates, represent a critical material in modern engineering and manufacturing. Their superior electrical and thermal conductivity, combined with mechanical strength and corrosion resistance, make them indispensable in a wide range of applications. 

Contact Us

To learn more about oxygen-free copper metal composite panels and how they can help your project, please contact Baoji City Shenao Metal Materials Co., Ltd.:

Email: zh@baojiti.com.cn

​​​​​​​Our team of experts is ready to assist you with your material selection and provide solutions tailored to your requirements.