Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
-----
Nickel sulfamate blistering problem
Q. 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
A. What is the analysis of the bath now. Metal, pH, halides, boric acid.
Tom Pullizzi
Falls Township, Pennsylvania
A. 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 Terryhelicopters - Yeovil, Somerset, England
adv.
"The Sulfamate Nickel How-To Guide"
by David Crotty, PhD
& Robert Probert
published Oct. 2018
$89 plus shipping
(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
Q, A, or Comment on THIS thread -or- Start a NEW Thread