finishing.com -- The Home Page of the Finishing Industry
23+ years of serious education, promoting Aloha,
& the most fun you can have in metal finishing smiley
    no popups, no spam
HomeFAQsSuggested
Books
Help
Wanteds
Advertise
on this site
FORUM
current topics
topic 12116

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, finishing.com Teds signature
Ted Mooney, P.E.
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
sara michaeli signature 
Sara Michaeli
chemical process supplier
Tel-Aviv, Israel




This public forum has 60,000 threads. If you have a question in mind which seems off topic to this thread, you might prefer to Search the Site

ADD a Comment to THIS thread START a NEW threadView CURRENT TOPICS



Disclaimer: It's not possible to 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 may be deliberately harmful.

  If you need a product/service, please check these Directories:

JobshopsCapital Equip. & Install'nChemicals & Consumables Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices


©1995-2018 finishing.com, Inc., Pine Beach, NJ   -   About finishing.com   -  Privacy Policy
How Google uses data when you visit this site.