<!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 6.00.2800.1543" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>My bet would be that they were cracked before they were cleaned, Only after they were cleaned could the small cracks be seen.</FONT></DIV> <DIV>Joe Goss RPT<BR>Mother Goose Tools<BR><A href="mailto:imatunr@srvinet.com">imatunr@srvinet.com</A><BR><A href="http://www.mothergoosetools.com">www.mothergoosetools.com</A></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=tvaktvak@sbcglobal.net href="mailto:tvaktvak@sbcglobal.net">Tom Sivak</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, July 20, 2006 8:02 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> alcoholic key cracks</DIV> <DIV><BR></DIV> <DIV>List</DIV> <DIV> </DIV> <DIV> A client of mine just bought a Yamaha G3 from a private party.   She decided to clean the keys real good, you know, disinfect them and all, so she used alcohol and rubbed them clean.  Later that day she found little hairline cracks on 18 of the keys.  <BR><BR>I've never heard of this before.  I've never tried (nor recommended) alcohol on plastic keytops, but evidently this is a pretty bad choice.  I always recommend Windex, sprayed on a cloth not on the keys themselves.</DIV> <DIV> </DIV> <DIV>Still, I wonder why only 18 of them cracked?  </DIV> <DIV> </DIV> <DIV>Has anyone else ever heard of alcohol causing cracks in plastic keytops?<BR><BR>Tom Sivak</DIV> <DIV>Chicago</DIV></BLOCKQUOTE></BODY></HTML>