Oxygen-free Copper

Oxygen-free copper (OFC) or Oxygen-free high thermal conductivity (OFHC) copper generally refers to a group of wrought high conductivity copper alloys that have been electrolytically refined to reduce the level of oxygen to .001% or below.

Read more about Oxygen-free Copper:  Specification, Standards, Industrial Applications, Use in Home Audio, Oxygen-free Phosphorus-containing Copper

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