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Battery contact plating for outdoor use - 200 hours salt spray





We are designing two battery contacts for an outdoor lock. We want the contacts to resist 200 hours salt spray test. The base material will probably be brass alloy C260 but we are also looking at alloy C725. The positive contact will be stamped and the positive contact will also be stamped but a coil spring (steel) will be riveted on to put pressure on the batteries. We are not sure which finish we should put on both contacts to get 200 hours salt spray test and good electrical conductivity. In the market, Nickel plating is often used, but we've been told by the plating company that we will only get 24 hours salt spray corrosion resistance.

Christian Doucet
- Montreal, Quebec, Canada
2003



Electroless nickel.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003




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