plating, anodizing, & finishing Q&As since 1989
Zinc Diecast plating problem.
I have plating problem with Zinc Die cast. It often bubbles. What can I do to prevent this? How can I strip this nickel plating off the Zinc Die-cast to start over again? Appreciate any suggestion.Steven CHEN
- Auckland, NEW ZEALAND
Please give info regarding your plating cycle to enable us to help you out.
Metalx (Ronatec.us) [a finishing.com supporting advertiser], among others, offers strippers for this purpose.
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Try using about 700 gms/ lit of Sulphuric Acid with 4 gms / lit of copper sulphate or 4 gms/ lit of glycerol. Current -Cathodic.
Bengaluru, Karnataka, India
Zn diecast article should be first Copper plated -followed by Nickel or Nickel/chrome plating.A.S. Sridhar
To remove the nickel plating the best method is to sand blast the bubbling effect could be to impurities and/or hydrogen embrittlement,David Weltsch
Disney - California