Really? HCl, not hydrogen peroxide??? Thump --- Peter Burns <peter-burns.pianotuner@tesco.net> wrote: > Greetings list, I'm with Dave Nereson on this one > Ken. Hydrochloric acid, a flourescent strip light > and lots of patience are needed to whiten ivory. I > use one strip bulb, which must be left on all the > time including overnight. Arrange the keys > underneath the light and apply the acid with cotton > wool several times a day. It can take a week or two > depending on how yellow your keys are. > When they are done, buff the key tops with a buffing > wheel if possible, to make them shine. Do not get > any acid on your skin, so wear gloves. In the UK > you can only get the acid from a chemist, who will > want some proof of what it will be used for. Good > luck. > > ----- Original Message ----- > From: Ken Sin > To: pianotech@ptg.org > Sent: Sunday, November 09, 2003 7:06 AM > Subject: re: how to clean the ivory key from > yellow to white > > > Hi ! > > I don't know how to make the ivory key from yellow > to white ? > > anyone can help me ! > > Thanks !!! > > Piano Tuner Student > > > > KenSin > Piano Tuner > > > ------------------------------------------------------------------------------ > Do you Yahoo!? > Protect your identity with Yahoo! Mail AddressGuard __________________________________ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard http://antispam.yahoo.com/whatsnewfree
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