Mr. Rogers: "Look for the Helpers. You will always find people who are helping."
As an Amazon Associate & eBay Partner: we earn from qualifying purchases

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

-----

Zn plating RoHS compliance

Zn plating with yellow passivation is treated as RoHS non compliant process where as Zn plating with Blue passivation is accepted for ROHS.
I would like to know the reason behind this.

Anand Risbud
Philips Electronics India Ltd - Pune, India
2007

You'll need to post the actual details of your situation rather than vague references to it to get a good answer, Anand, but hexavalent chromium is non compliant and some chromate conversion processes use hexavalent chromate. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
(Ted is available for instant or longterm help)

2007

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

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: