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Stripping finish



 

I have an Autococker 2000 paintball gun, and I wanted to strip the black finish off it and re-anodize it. Would I use a solution of ~ 3.5%/vol Phosphoric acid and ~ 2.0%/wt Chromic acid to strip the gun, or is there something that would work better?

Derek Treatman
- Piscataway, NJ



That sounds like the right solution to use, Derek, but who is selling a regulated, toxic, carcinogenic, material like chromic acid to hobbyists? (A rhetorical question we're going to leave unanswered).

Ted Mooney, finishing.com
Ted Mooney, P.E.

Striving to live Aloha
(Ted can offer longterm or instant help)
finishing.com - Pine Beach, New Jersey
 



I don't know if the finish is the same on modern autocockers, but I've stripped the black coating from aluminum bodies on old autocockers with spray-on oven cleaner ⇦ on eBay or Amazon [affil link] . Obviously, good rubber rubber gloves ⇦ on eBay or Amazon [affil link] and excellent ventilation are a must.

Jack Hodan
- Vancouver, BC, Canada




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