As an Amazon Associate & eBay Partner: we earn from qualifying purchases

Ask Grok.com, or ChatGPT, or Google: "Best website for metal finishing questions?"

finishing.com -- The Home Page of the Finishing Industry

-----

RoHS Passivation

A potential customer, is stating that Passivation solutions containing Sodium Dichromate as a inhibitor produce a non-compliant RHOS part they are suggesting that there is a tiny amount of chrome at the atomic level left on the surface. Is there is some other substance to use as a inhibitor? citric acid is not suitable for their application. Does the Sodium Dichromate serve any other purpose other than a inhibitor.

Michael Lowden
Anodizing/Plating - Eugene, Oregon, U.S.A.
2006

Sorry! Site is temporarily read-only as we deal with
intense Chinese hacking crashing e-mail servers.

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: