A custom-blended, near-neutral solution that will encapsulate any residual oxides or electrolytes from the surface of the parts being marked, therefore preventing corrosion or staining. As electrochemical etching involves an aggressive chemical reaction, it can be an initiation site for future corrosion. Thus, all etched parts must be neutralized after the etching process takes place.
If a pad saturated with neutralizer is used to wipe the parts the pad will soon contain more electrolyte than neutralizer, causing corrosion. Thus, using a disposable paper towel or similar product after each wiping action is recommended.
This method involves submerging parts in a neutralizing solution specially prepared to counteract the action of the electrolytes. These solutions usually are diluted with up to 15 parts of water depending upon the application. Soaking time is about ten minutes, which can be greatly reduced with agitation. The proper use of rust preventive oils will guard against corrosion. We recommend a water displacing oil such as Monode RPO.