The reverse plating process often called “electropolishing” is also referred to as electrochemical polishing, anodic polishing, electrolytic polishing, or EP.
The electropolishing process involves an electrical current passing through stainless steel or alloy parts submerged in a sulfuric or phosphoric acid bath mixture to remove a thin metal surface layer.
- Polishes areas inaccessible by other polishing methods
- Improves surface reflectivity and brightness
- Levels micro peaks and valleys for better sterilization (roughly 20-40 micrometers thick)
- Removes surface iron and enhances the chromium/nickel content
- Slightly reduces the part size, if necessary
- Provides a corrosion-resistant surface
- Removes surface discoloration from heat treating and/or oxidation
Surface Roughness Conversion Chart
|Ra (micrometers)||Ra (microinches)||RMS||CLA (N)||Rt||N||Cut-off Length (in)||Cut-off Length (mm)|
Ra = Roughness Average in micrometers or microinches.
RMS = Root Mean Square in microinches.
CLA = Center Line Average in microinches.
Rt = Roughness Total in microns
N = New ISO (grade) scale numbers.
Cut-off Length = Length required for sample.
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