Boy, I don't know about this acid stuff. I think maybe I'll stick with the buffing wheel and just go down to the "Play It Again" used sporting goods store and get a hockey goalie outfit and put a mattress over the windows! (BTW, anyone want to store their priceless pianos in my shop?) ----- Original Message ----- From: "Ron Nossaman" <RNossaman@KSCABLE.com> To: <pianotech@ptg.org> Sent: Wednesday, June 13, 2001 10:41 PM Subject: Re: Brass finishing > > Hydrochloric acid is the main ingredient. > > For brass, I've used muriatic acid, which is a hydrochloric dilution from a > swimming pool supply house instead of an industrial supply house, to good > effect. I find it leaves the brass with a slight "frosty" appearance that > buffs up quickly and nicely. I've mostly used it to clean and demineralize > water faucet parts rather than to prettify hinges, but it works pretty darn > good with both. Hint: don't go off and leave parts soaking in this brew. Be > there, and be ready, because the parts "age" pretty quickly to the point > that parts of parts will become past parts of parts if you let your > attention wander for too long. And yes, wear gloves. Wear goggles. Wear > armor. Wear a respirator (two if possible), and do it outdoors (on the > neighbor's lawn if they aren't home). The stuff will cheerfully digest you > if you let it. > > > Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC