CU-OF/OFE
CU-OF Oxygen-free version of Cu-ETP for use in reducing atmospheres.
Overview
CU-OF Oxygen-free version of Cu-ETP for use in reducing atmospheres.
CU-OFE Oxygen-free and low phosphorus coppers of high purity; the final ‘E’ of the symbol indicates suitability for use in electronic vacuum devices.

Vacuum Interrupter

Anodes for plating

Heat Sink
Properties
- Excellent electrical conductivity
- Highest purity copper
- Smaller grain size
- Very fine and uniform grain structure
- Oil Free
- Smooth and unique surface shape
Type of copper |
Designation |
Standard |
Alloy NO. |
Thermal conductivity (W/m.K) |
Electrical conductivity (%IACS)(A) |
||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Oxygen-free electronic |
Cu-OFE |
|
|
391 |
above 100 |
||||||
Oxygen-free without residual de-oxidants |
Cu-OF |
|
|
391 |
above 100 |
** Mechanical property are follow by internal specification and customer requirement.
- Upon customers’ specific requirements with exact dimensions and shapes.

Wooden Boxes: Copper will be wrapped with insulated paper and plastic.
Bundles: Wrapped with insulated paper and plastic.
OC uses gas burners in the Melting, de-slagging, and casting furnaces. The Oxygen content in the gas is carefully controlled. Note: OC uses only LME grade A copper cathode which contains very low levels of oxygen and impurities.
Yes, our own unique design of dies keeps straightness tolerance to fine limits.
Let us know how we can help you. Our team is ready to discuss your business needs and answer any questions you may have.
Explore Other Market Solutions

ICT & Data Center

Marine

Healthcare

Electronics

Mining and base metal refinery
