<html><div style='background-color:'><DIV class=RTE> I have good luck just using a mototized cloth buffing wheel and something called "clarinet key buffing compound."  Available thru your local instrument repair shop or at <LI class=first><A href="http://www.ferreestools.com">www.ferreestools.com</A></LI> <LI class=first></LI> <LI class=first>Go slow to avoid melting the key.</LI> <LI class=first></LI> <LI class=first>Dick Day</LI> <LI class=first>Marshall MI  </LI></DIV> <DIV></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #a0c6e5 2px solid; MARGIN-RIGHT: 0px"> <HR color=#a0c6e5 SIZE=1> <DIV></DIV>From:  Phil Bondi <phil@philbondi.com> Reply-To:  Pianotech <pianotech@ptg.org> To:  Pianotech <pianotech@ptg.org> Subject:  Re: Scratched plastic keytops Date:  Fri, 28 Oct 2005 08:06:10 -0400 > > >Christopher Chapman wrote: > >> >>I am a fairly new tech and just serviced a customer's piano, who >>recently had the keytops replaced. The previous "tech" did a bad >>job with filing the keytops and left scratches on the top of the >>key. They are the one-piece white plastic keytops. Does anyone have >>any ideas how to remove the scratches? > >Christopher, > >Hopefully, the scratches aren't too deep. These can be removed, but >it takes a little elbow grease and some tools: > >You'll need different grades of sandpaper and a buffing wheel. I >like to start with 400grit and then go to 600, then 1200, sanding >north/south and make sure you are keeping a very straight line with >your technique. After you've gone through the last grade, then you >buff east/west. This method will remove most scratches, provided >they're not too deep. > >I'll be interested in looking for other methods of doing this. The >method I use is time consuming, and it's the only one I know that >works. > >-Phil Bondi(Fl) > > >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives </BLOCKQUOTE></div></html>