<!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 6.00.2600.0" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT size=2>Isaac:</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>My use is similar to yours.  I have used epoxy = for securing cracked bridge caps when recapping was not an option.  In = this case I have several hairline cracks that I would like to seep some epoxy = into and need a thin solution.  I would prefer not to have to mess with = heating up the bridge cap to thin out a higher viscosity product.  I agree = with a previous post that CA glues are not the right stuff in spite of the = marketing claims.  They break down over time with exposure to alkaline = environments and are really designed to hold non porous surfaces together with a very = very thin application.  Or at least so I am told by my museum = conservator glue authority friend.</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2></FONT> </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=oleg-i@wanadoo.fr href="mailto:oleg-i@wanadoo.fr">Isaac = OLEG SIMANOT</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> January 01, 2002 11:15 = PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> RE: Epoxy</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002>Hello, David.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>The name can be "stratification epoxy system" . I bought European epoxy = you surely will not find</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>The consistence is in Brookfield , mine was 600 +-100, with a 50 min pot = life , takes 5 days to be hard.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002>Different hardeners can be used on mine, = giving different viscosity.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>I used it to reinforce an old cap on a little grand, was 3 years ago, = worked fine.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>it really dripped in the wood. This epoxy is used for marine works (surf, = boats) and planes. Ask for the specification regarding the shore and the = elasticity modulus of the product.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>I may admit I am totally unsure of how it will hold in time. My cap was = not broken, just the little habitual cracks.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>I washed the excess with acetone and inserted new bridge pins. Did not = like the mess of washing the cap , but it was not so hard.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>May be some graphite can be added in the top coating, but I doubt it will = allow for a really good string rendering .</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>I wondered that if string rendering is poor, if that does not conduct to = bridge roll condition sooner or later ?</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN = class=380510207-02012002>What do you think ?</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002>Regards.</SPAN></FONT></DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002></SPAN></FONT> </DIV> <DIV><FONT face=Arial color=#0000ff size=2><SPAN class=380510207-02012002>Isaac OLEG</SPAN></FONT></DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px = solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT = face=Tahoma size=2>-----Message d'origine-----<BR><B>De :</B> owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]<B>De la = part de</B> David Love<BR><B>Envoyé :</B> mercredi 2 janvier 2002 06:51<BR><B>À :</B> Pianotech<BR><B>Objet :</B> Epoxy<BR><BR></DIV></FONT> <DIV><FONT size=2>I keep hearing mention of an epoxy that is the = consistency of water.  Who makes this product and where can I get it.  = </FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>David Love</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>