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Ted Mooney, P.E. RET
Pine Beach, NJ
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Antimony in Lead Cathodes for Type 2 sulfuric acid anodizing
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Q. I need to use long rods of lead in a type 2 sulfuric anodizing process. Pure lead will be too soft and will bend in this situation. I am contemplating using lead cathodes that are hardened with 6% Antimony. Will the Antimony affect the anodizing process? Will I need to clean the lead anodes more if they are hardened with Antimony? Any help would be appreciated.
Mark
- Federal Way, Washington
December 28, 2021
Ed. note: Sorry, this RFQ is old & outdated, so contact info is no longer available. However, if you feel that something technical should be said in reply, please post it; no public commercial suggestions please ( huh? why?)
A. The most efficient material to use as cathodes is aluminum. The correct alloy to use for conductivity and longevity is 6063T6
Drew Nosti, CEF
Anodize USA
Ladson, South Carolina
December 30, 2021
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