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Zinc Whiskers and electro galvanized steel

2007

Dear Sir,

I have a concern about zinc whisker growth in our computer room. The floor panels are electro galvanized steel. Are these panels capable of producing zinc whiskers? Is there a difference in electro galvanized and electroplated steel?

Thanks

Steve Giljames
Computer room manger - Winston Salem, North Carolina

There is no difference between "electrogalvanized" and "zinc electroplated" steel, Steve. Yes it is capable of producing zinc whiskers. Last I read it was believed that hot dip galvanized panels are far less likely to generate whiskers. That is because the whiskers are believed to be a stress relaxation phenomenon and galvanized coatings do not have the stress that electroplated zinc has.

Ted Mooney, P.E.
Striving to live Aloha
(Ted is available for instant or longterm help)
finishing.com - Pine Beach, New Jersey
2007

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