<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1491" name=GENERATOR></HEAD> <BODY> <DIV>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 safe for plastic and polyester. Wayne Walker   -- = MusicStop (<A class=msgbody href="http://musicstop.com/" = target=_blank>http://musicstop.com</A>) Date: Sat, 23 Apr 2005 07:24:49 -0500 = From: Conrad Hoffsommer To: pmc033@earthlink.net, Pianotech Subject: = Re: Wax buildup At 06:22 4/23/2005, you wrote: >Acetone will not harm = polyester.  I wish it would.  I don't know of >anything that will soften = or remove polyester, except maybe heat.  You >could use it to remove wax, but like Mark says, why = use something so >aggressive when simple naptha will do.  It will = look dull when you're done, >however, which is why I suggested using a plastic = polish afterwards.  In >fact, I'd bet that the plastic cleaners from = Meguiar's will take the wax >off by themselves. >Anybody know how to strip a polyester finish with solvents? >Paul McCloud = >San Diego = Thanks, Paul, I sit corrected, clarified and elucidated.  After = some DAMHIKs, the only reason I want acetone nearby is for emergency CA solvency... > > Poly is plastic - keytops is plastic - acetone and keytop mixture can be = > > used = to rockify hammers. > = > Still wanna try on the finish? > > Conrad Hoffsommer -- </DIV> <hr>I am using the free version of = SPAMfighter for private users. It has removed 1111 spam emails to = date. Paying users do not have this message in their emails. Try = <a href="http://www.spamfighter.com/Product_Info.asp?">SPAMfighter</a> = for free now! </BODY></HTML>