<html> <body> FWIW, I have always attributed the color bleeding to have something to do with installation of the pre-adhesive-d cloth, and not with the material of the cloth...could be wrong...it's certainly happened before. Horace At 06:28 PM 8/28/2004, you wrote: <blockquote type=cite class=cite cite>I know that the flange bushing cloth that they sell in strips has adhesive on one side and what certainly looks like graphite on the other. V T <pianovt@yahoo.com> wrote: <dl> <dd>That puzzles me too, and that's why I wrote to them. <dd>In looking at new Renner parts I can clearly see that <dd>some liquid was applied to the felt bushings. There <dd>is a bit of red color bleeding out into the <dd>surrounding wood, and I clearly see some dark stuff on <dd>the felt as well. <dd>Vladan <dd>>Doesn't Renner have graphite in their bushings? <dd>Avery <dd>At 02:53 PM 8/28/04, you wrote: <dd>>Hello Ryan and the List <dd>> <dd>>This is an excerpt from a letter I sent to Renner in <dd>>Germany: <dd>> <dd>>"I wonder if you could let me know about any adverse <dd>>effects of using the "Protek" brand lubricant on the <dd>>center bushings of your hammer shanks. It is a <dd>fairly <dd>>common practice in the U.S. to put a few drops of <dd>this <dd>>lubricant on the center bushing felt while preparing <dd>>a new shank/flange for insta! llation and while sorting <dd>>the shanks for center bushing friction..." <dd>> <dd>>And here is the relevant part of their response: <dd>> <dd>>"Renner does not treat the center bushings. <dd>>To our knowledge there are no chemical reactions or <dd>>adverse effects when center bushings are treated. <dd>>Therefore, this may be done, there is nothing to say <dd>>against the treatment with a lubricant..." <dd>> <dd>>Vladan <dd>> <dd>>==================================== <dd>> <dd>>List, <dd>> This general discussion on friction and factory <dd>>set-up of weighting leads me to wonder what <dd>>manufacturers pre-lubricate their centers ( beyond <dd>the <dd>>natural lanolin ) so that weight and leverage are the <dd>>prime aspects contributing to the "touch", and to <dd>>inhibit future wear. <dd>> I would also like to get opinions on favored <dd>>center pin lubricants. <dd>> Thump <dd>_______________________________ <dd>Do you Yahoo!? <dd>Win 1 of 4,000 free domain names from Yahoo! Enter now. <dd><a href="http://promotions.yahoo.com/goldrush" eudora="autourl">http://promotions.yahoo.com/goldrush</a> <dd>_______________________________________________ <dd>pianotech list info: <a href="https://www.moypiano.com/resources/#archives" eudora="autourl">https://www.moypiano.com/resources/#archives</a> </dl> Ryan Sowers, RPT Puget Sound Chapter Pianova Piano Service Olympia, WA Do you Yahoo!? <a href="http://us.rd.yahoo.com/mail_us/taglines/100/*http://promotions.yahoo.com/new_mail/static/efficiency.html">New and Improved Yahoo! Mail</a> - 100MB free storage! </blockquote></body> </html>