No passwords, No popups, No cost, No AI:
we earn from 'affiliate link' purchases, making the site possible

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

-----

Can bright dip help in soldering/ brazing on to copper bar?

We braze Silver Cadmium Oxide tip onto copper bars and prior to brazing if the surface free of contamination, then the solder flows freely. I have told to bright dip. Also after we mfg the part we would like the parts to look clean as well as have a longer shelf life i.e not to tarnish or oxidize.Was told to bright dip. Can you advise?

Thank you,

Zul Kassam
Mfg. Of Electrical Contacts - Toronto, Ontario, Canada
2003

What is the easiest and simplest way to bright dip copper or brass bars? This is to stop oxidation or tarnishing.

Zul
mfg of copper contacts - Toronto, Ontario, Canada
2003

An oxidizing agent is needed for bright dipping. Nitric acid is a possibility, but sulfuric acid plus stabilized hydrogen peroxide is very popular for that purpose. After bright dipping the bright appearance can be prolonged by application of sodium benzotriazole ⇦ this on eBay or Amazon [affil links] .

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

(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: