-- The Home Page of the Finishing Industry
A website for Serious Education, promoting Aloha,
& the most FUN smiley you can have in metal finishing.
    no popups, no spam
on this site
current topics

topic 12430

Nickel sulfamate blistering problem


In the past two years, our production line is in normal state. However, when we use new confected bath with Ni(NH2SO3)2 which has been stored for two years . We found blistering on the Nickel plating surface.What cause the problem?

Wang Zhanhua
- Beijing, China


What is the analysis of the bath now. Metal, pH, halides, boric acid.

pooky tom pullizi signature
Tom Pullizzi
Falls Township, Pennsylvania


Have you carbon treated your new solution? In my experience it is quite common for the nickel sulphamate to contain contaminants before you start. If you have not carbon treated then I strongly recommend that you do, followed by a dummy out for a few hours.

Brian Terry
helicopters - Yeovil, Somerset, England

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, Inc., Pine Beach, NJ   -   About   -  Privacy Policy
How Google uses data when you visit this site.