Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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

The authoritative public forum
for Metal Finishing since 1989
-----

Tin over zinc plating

Would like to know the comparison of Tin plating on Copper against Zinc plating in mechanical and electrical characteristics

The question is: Comparison of Tin plating over Zinc plating over copper for connector , d-sub, electrical terminal contact portion. Is Zinc plating better than Tin in certain aspect? or any other advises you have?

Regards!

Alan Lim
Industrial Supplies - Singapore

Zinc plating is a sacrificial coating, designed to corrode. It is not a suitable contact material.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

You do not plate tin over zinc as it is porous. You do not even plate tin on brass. You need an underlayer of copper or nickel.

Sara Michaeli
Tel-Aviv-Yafo, Israel

(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: