I know for sure that spraying aerosol on ketops can caue cracking, due to a "cryogenic factor". Silicone polishes should be banned, anyway. Thump --- ed440 at mindspring.com wrote: > I believe cracks like this can be caused by silicone > polishes. > Ed Sutton > > -----Original Message----- > >From: Arbeau Piano <ArbeauPiano at comcast.net> > >Sent: Jul 22, 2006 1:45 PM > >To: pianotech at ptg.org > >Subject: Re: Pianotech Digest, Vol 1277, Issue 90 > > > >This is an interesting concern as I have for many > years suggested and myself > >do clean the keytops of my customers keys with a > glass cleaner diluted 50 > >percent with water if plastic (ammonia is too > strong if at full strength in > >glass cleaner) and use only "Cory" Key-Bright if > on real Ebonies and Ivory > >keys. > >A piano dealer had me replace the key tops on a > customers brandnew two month > >old Samick console that had these fine cracks on > only the plastic white > >keys. This piano had been serviced for its first > time by the stores tuner > >and supposedly this was by the customers opinion > the cause of what ever the > >tuner did to their keys. I've never seen this > before on a brand new piano. > >This piano was in a home with lots of animals and > not a very "health > >environment". I wonder if this piano may have been > "cleaned" with some sort > >of "disinfectant" for the tuner's protection. > >Gerald Arbeau > > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
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