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Electropolishing is an electrochemical process similar to electroplating. The electropolishing process operates on a microscopic level on the surface of metal producing a smooth and shiny surface. Key to quality is controling the temperature of the acidic bath with a PTFE or Quartz immersion heater.
Because of the sulfuric or phosphoric acid bath, you need the best heater for acids. Choose a PTFE coating or Quartz heater. The viscous phosphoric-sulfuric solution doesn’t transfer heat well. Using de-rated quartz heaters provides the chemical resistance and extra life for this application. Our high performance quartz immersion heaters are preferred for electropolishing tanks.
Either immersion heater type you use, over-the side or bottom style, sodium build up will occur on the elements. PTFE sheaths have to be cleaned by hand, while quartz can be cleaned with a rubber scrapper to remove the sludge. Be careful not to damage.
We can custom build heating systems for you, which include temperature and liquid level safety controls.
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