Don, I'd recommend starting with something less aggressive, like 0000 steel wool. Very easy to reverse if necessary, but also, I'd suspect you don't really need much of a friction increase to satisfy your customer. If it's not enough, it's easier to go to a more coarse finish than it would be to find out p400 is too coarse and have to go finer. William R. Monroe On Sun, Dec 6, 2009 at 9:32 PM, Donald McKechnie <dmckech at ithaca.edu> wrote: > All, > > About 6 months ago a customer of mine finally replaced his very badly > deteriorated ivory key tops. He is a very good pianist and got used to the > old ivory but it was time to replace. He could not afford replacing with > ivory or bone so a good plastic replacement was the only option. > Unfortunately he has not adapted to the new key tops. After playing on the > old ivories for so many years (which had good grip at least) he feels that > his fingers are slipping around the new plastic too much. > > The new plastic does not look like anything out of the ordinary to me so > I'm ruling out any defect for the moment. He plays other pianos on a regular > basis that have plastic keys but he feels these new key tops are more > slippery than others. I suppose older plastic might have a bit more grip as > they wear but I have never had a complaint about new key tops being too > slippery. > > My first thought is to rub them out a bit with 400 grit sandpaper and see > if that helps. I can always buff them on the wheel if that does not work. > Anyone have an experience like this and any remedies? > > Thanks, > Don > > > Don McKechnie > Piano Technician > Ithaca College > dmckech at ithaca.edu > 607.274.3908 > > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20091206/f92c8d50/attachment.htm>
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