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  1. Animasrwm

    Aluminium staining

    The surface has these small areas of black staining. Some thing is happening when the aluminium is in the ultrasonic wash? Is there a chemical reaction taking place between the cleaning fluid and the aluminium . Fluid used is metanox.
  2. Animasrwm

    Aluminium staining

    Machined aluminium components then placed them into a ultra sonic wash and parts reacted with staining as shown in photos. Any thoughts.
  3. Animasrwm

    Etching inconel

    Thanks for that bud
  4. Animasrwm

    Etching inconel

    Etching inconel using sulphuric acids and a trico ethelyne wash and vapour degrease to clean. Noticing a brown water like stain on parts any thoughts

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