key discoloration

[Delwin D Fandrich]

It depends on why they are yellow.  If it was because there were heavy
smokers in the house, then, yes, it will readily come off.  If it is because
the plastic itself has yellowed, it may not.

Del

Delwin D Fandrich
Piano Designer & Builder
Hoquiam, Washington  USA
E.mail:  pianobuilders@olynet.com
Web Site:  http://pianobuilders.olynet.com/


----- Original Message -----
From: "Clyde Hollinger" <cedel@supernet.com>
To: <pianotech@ptg.org>
Sent: August 22, 2000 11:38 AM
Subject: Re: key discoloration


> I'll take a not-very-knowledgeable shot at this.  I saw a piano with very
> yellowed keys at a used-piano dealer one time.  I'm quite sure they were
> plastic.  When I remarked about the keys, he said, "Oh, that will come
right
> off!"  He took a piece of very fine steel wool to one of the keys, and
sure
> enough, there was white under the yellow.
>
> I don't know if this will always work, and I'm not sure what number the
steel
> wool was.  I surely wouldn't want to scratch the keytops.  Maybe someone
else
> knows.
>
> Clyde
>
> jim krentzel wrote:
>
> > Dear List,
> > A customer of mine owns a Yamaha P202 with yellowed plastic keys.  I
think
> > the yellow is from being exposed to heat.  Do any of you know how to
make
> > them whiter?  Thanks,
> > Jim Krentzel
>
>
>