<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; = charset=us-ascii"> <meta name=Generator content="Microsoft Word 10 (filtered)"> <style>  </style> </head> <body bgcolor=white lang=EN-US link=blue vlink=purple> <div class=Section1> The longer working time provided by = urea is more likely to get a better glue joint than will by compromised by = any weakness (if any) that it contributes (at least in my opinion).  I use it = all the time, with hammer hanging as well, and I have found that the longer = working time probably creates a better glue joint by allowing you to reposition = parts without breaking a glue joint that has set up before you are = ready.  With respect to bushings, strength is not really at issue, so using urea = allows you to do more at one spreading without concern that the glue will be = gelling at the end of your run and compromising the bond.  =          <div> David Love davidlovepianos@comcast.net </div> -----Original = Message----- From: = pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Joe Garrett Sent: Saturday, September = 10, 2005 9:11 AM To: pianotech Subject: Re: Hide = Glue   <div> David Love said: = "Use urea to lengthen the working time." </div> <div>   </div> <div> I strongly suggest Against using urea. It = will weaken the glue!!! The key to working with hide glue is: Don't dawdle! = Flack suit Zipped!<G> BTW, I have done tests on this = issue.  </div> <div> Joe Garrett, R.P.T. Captain, Tool Police Squares R I </div> </div> </body> </html>