Fine steel wool works nicely and quickly, too. J R W -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of gordon stelter Sent: Thursday, July 20, 2006 9:04 AM To: Pianotech List Subject: RE: alcoholic key cracks Maybe the cold generated by the evaporation. I recently, by the way, discovered that scrubbing old celluloid covered keys ( the sticks ) to remove scum from the sides, with denatured alcohol is a bad idea. Dissolves the celluloid. From now on: light scarpe of goo with razor, followed by damp/soapy terry cloth. Thump --- "Porritt, David" <dporritt at mail.smu.edu> wrote: > Tom: > > > > I've used isopropyl on keys many times for many > years and have never > seen any cracks or other problems. I can't imagine > that the alcohol did > it. Is it possible that the keys were already > cracked but the cracks > were not apparent until the alcohol cleaned them? > > > > dp > > > > David M. Porritt > > dporritt at smu.edu > > ________________________________ > > From: pianotech-bounces at ptg.org > [mailto:pianotech-bounces at ptg.org] On > Behalf Of Tom Sivak > Sent: Thursday, July 20, 2006 9:02 AM > To: pianotech > Subject: alcoholic key cracks > > > > List > > > > A client of mine just bought a Yamaha G3 from a > private party. She > decided to clean the keys real good, you know, > disinfect them and all, > so she used alcohol and rubbed them clean. Later > that day she found > little hairline cracks on 18 of the keys. > > I've never heard of this before. I've never tried > (nor recommended) > alcohol on plastic keytops, but evidently this is a > pretty bad choice. > I always recommend Windex, sprayed on a cloth not on > the keys > themselves. > > > > Still, I wonder why only 18 of them cracked? > > > > Has anyone else ever heard of alcohol causing cracks > in plastic keytops? > > Tom Sivak > > Chicago > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
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