Gordon, Just double rinse or triple rinse the screws by draining all of the water from the jar and refilling with water once or twice and there will be no acid residue. Muriatic acid is very free rinsing. I previously spent thirty years in the metal finishing industry, both in production and sales. The main concern I have is that the screws may start to rust immediately upon drying prior to polishing. I don't know what rust inhibitors are available outside of industrial suppliers. Gary Fluke Snohomish, WA ----- Original Message ----- From: "gordon stelter" <lclgcnp at yahoo.com> To: "Pianotech List" <pianotech at ptg.org> Sent: Sunday, October 28, 2007 5:10 PM Subject: How to make GREAT looking screws, fast !!! > 1) Take old rusty flange screws, put in jar with > muriatic acid ( available at hardware and paint stores > ) until rust is visibly removed. ( About 3 minutes. ) > WEAR GOGGLES, MASK AND GLOVES !!!!!!! > 2) Rinse THOROUGHLY !!!!!!! > 3) Polish heads with Mibro (TM) "Mirror Finish" polish > on buffing wheel. ( Just a few seconds each. ) > 4) Put in another jar, with lacquer thinner, for about > a day. ( To dissolve any Mibro residue. ) > Strain, dry, put on rack and lacquer. > > I got a truly "mirror finish" set of screws this way, > far, far easier than with any other method I've tried > ! But do have one question: > > The main possible flaw in this procedure might be > that not all of the acid is removed/neutralized before > the lacquering, simply by rinsing. What might be used > to do this, easily ????? Baking soda ??? Something > else ??? > > Peace, > G > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com >
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