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Anti-seize

Dear Sir:

My question pertains to basics of anti-seize. We have been using graphite based antiseize for a while in tightening nuts and bolts in our die-shop, but a suggestion was based to go to copper or nickel based anti-seize ⇦ on eBay or Amazon [affil link] . My question is on what principle does copper or nickel based anti-seize work and what are their benefits over graphite.

P. Shah
- Rockford, Illinois, USA

I'm not especially familiar with either of them, but if the job can afford it, silver plating is the "classic" anti-seize. It's better than graphite for at least two reasons: first, it's permanent, it doesn't rub off; second, there are some environments where graphite is a no-no because of the loose "particles" in the atmosphere and the possibility of contamination or electrical shorts they can cause.

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

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