Cold Black Oxide on Galvanized Steel

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I'd like to know if it is feasible to apply cold Black Oxide treatment to galvanized steel without pre-treatment, or would I have to strip the zinc coating first. I'd like to blacken some wearable chainmail items which are constructed of galvanized steel wire rings.

Thanks,

Wayne Seguin
- Boca Raton, Florida

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HOW TO DARKEN GALVANIZED? I'm making a Chainmaille shirt but I want to know if darkening it will work. If it does work how would I go about doing it? Please be specific :)) nothing worse than me confused..

Tanks! alot!

Paul Anderson
hobbyist - Overland Park , Kansas

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