No passwords, no registration, no paywalls, no popups, no AI

As an Amazon Associate & eBay Partner we earn from affil links

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

Search our quarter-million Q&As

Home of the finishing HOTLINE since 1989

-----

Maximum allowable concentration of metallic contaminants in acid copper sulphate plating bath?

Currently I am trying to set the specification for acid copper sulphate ⇦ on eBay or Amazon [affil link] plating bath. But I couldn't find any information regarding the maximum allowable concentration of metallic contaminants. Thus, could you please tell me in general the maximum amounts that could be allowed in acid copper sulphate plating bath?
Thanks,

Tida Thomas
items for decoration - Bangkok Thailand
August 15, 2008

August 22, 2008

Hi Tida,

I'm not sure what application for your acid copper plating. For PCB industry, metallic impurities are controlled as below to preserve good elongation and tensile strength properties:

Fe: < 50 ppm;
Ni: < 20 ppm;
Zn: < 20 ppm;
Sn: < 20 ppm;
Pb: < 10 ppm;
Cr: < 10 ppm.

Best regards,
David

David Shiu
- Singapore

Sorry! Finishing.com is temporarily Read-Only.
Ted Mooney is retiring but I have several offers to take it over.
We're working hard to make sure we find it the best new home.

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: