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Help on Electropolishing Copper Tungsten

Looking for help on electropolishing copper tungsten to get surface from 20 micro inches to 14 micro inches. Please suggest appropriate chemical composition, voltage, temperature and time.

Charles Brown
Fabrication Concepts Inc. - Tamaqua, Pennsylvania, USA

Phosphoric acid has been used to electropolish copper alloys samples for metallographic examination.

Tom Pullizzi
Falls Township, Pennsylvania

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