Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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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
2000

Please give info regarding your plating cycle to enable us to help you out.

Sara Michaeli
Tel-Aviv-Yafo, Israel
2000

2000

Hello, Steven.

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 sulfuric Acid with 4 gms / lit of copper sulphate ⇦this on eBay or Amazon [affil links] or 4 gms/ lit of glycerol. Current -Cathodic.

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

2000

Dear Steven,

Zn diecast article should be first Copper plated -followed by Nickel or Nickel/chrome plating.

A.S. Sridhar
- Bangalore
2001

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
2003

adv.
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