<HTML style="FONT-SIZE: x-small; FONT-FAMILY: MS Sans Serif"><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2900.2627" name=GENERATOR></HEAD> <BODY> <DIV> <DIV>Good point, Wayne.  I wasn't aware that Yamaha had plastic cheek blocks and other parts.  Most high gloss pianos get a coating of cooking residue if they're near the kitchen or in a bar.  A solvent like naptha is needed to remove it, more easily done than with a polish alone.  </DIV> <DIV>Paul McCloud</DIV> <DIV>San Diego</DIV> <DIV></DIV></DIV> <DIV> </DIV> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid"> <DIV style="FONT: 10pt Arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=wayne.w@musicstop.com href="mailto:wayne.w@musicstop.com">Wayne Walker</A> </DIV> <DIV style="FONT: 10pt arial"><B>To: </B><A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A></DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> 04/25/2005 5:01:38 AM </DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re:waxbuildup</DIV> <DIV><BR></DIV><FONT size=2> <DIV><FONT face="Comic Sans MS"><FONT face="Times New Roman">Acetone will not harm polyester, but some pianos such as Yamaha's have parts that are not polyester but plastic. As soon as the acetone hit the plastic, game over, the surface dissolves. When the acetone dries the surface is rough and uneven. I know I had this happen to me last year on a Yamaha cheek block.Try a body shop supply store for wax remover. They would be able to help you with selecting the right product<SPAN class=190260012-25042005> safe for plastic and polyester</SPAN>. <BR><BR>Wayne Walker <BR><BR>  <BR><BR>-- <BR>MusicStop (</FONT><A class=msgbody href="http://musicstop.com/" target=_blank><FONT face="Times New Roman">http://musicstop.com</FONT></A><FONT face="Times New Roman">) <BR><BR>Date: Sat, 23 Apr 2005 07:24:49 -0500 <BR>From: Conrad Hoffsommer <BR>To: pmc033@earthlink.net, Pianotech <BR>Subject: Re: Wax buildup <BR><BR>At 06:22 4/23/2005, you wrote: <BR></FONT><FONT face="Times New Roman" color=#009900>>Acetone will not harm polyester.  I wish it would.  I don't know of <BR></FONT><FONT face="Times New Roman" color=#009900>>anything that will soften or remove polyester, except maybe heat.  You <BR></FONT><FONT face="Times New Roman" color=#009900>>could use it to remove wax, but like Mark says, why use something so <BR></FONT><FONT face="Times New Roman" color=#009900>>aggressive when simple naptha will do.  It will look dull when you're done, <BR></FONT><FONT face="Times New Roman" color=#009900>>however, which is why I suggested using a plastic polish afterwards.  In <BR></FONT><FONT face="Times New Roman" color=#009900>>fact, I'd bet that the plastic cleaners from Meguiar's will take the wax <BR></FONT><FONT face="Times New Roman" color=#009900>>off by themselves. <BR></FONT><FONT face="Times New Roman" color=#009900>>Anybody know how to strip a polyester finish with solvents? <BR></FONT><FONT face="Times New Roman" color=#009900>>Paul McCloud <BR></FONT><FONT face="Times New Roman"><FONT color=#009900>>San Diego <BR></FONT><BR>Thanks, Paul, <BR><BR>I sit corrected, clarified and elucidated.  After some DAMHIKs, the only <BR>reason I want acetone nearby is for emergency CA solvency... <BR><BR></FONT><FONT face="Times New Roman" color=#009900>> > Poly is plastic - keytops is plastic - acetone and keytop mixture can be <BR></FONT><FONT face="Times New Roman" color=#009900>> > used to rockify hammers. <BR></FONT><FONT face="Times New Roman" color=#009900>> > Still wanna try on the finish? <BR></FONT><FONT face="Times New Roman"><FONT color=#009900>> > Conrad Hoffsommer <BR></FONT><BR>-- </FONT><BR></FONT></DIV><BR> <HR> I am using the free version of SPAMfighter for private users.<BR>It has removed 1111 spam emails to date.<BR>Paying users do not have this message in their emails.<BR>Try <A href="http://www.spamfighter.com/Product_Info.asp?">SPAMfighter</A> for free now!<BR></FONT></BLOCKQUOTE></BODY></HTML>