At 10:40 PM 7/2/2002 -0400, you wrote: >In a message dated 02/07/02 10:26:00 PM, JamesBakerRPT@carolina.rr.com writes: > ><< I just never have heard of putting on keytops with acetone, but the piano > >world is new, wonderful and strange in my eyes. > > >James Baker >> > >James; > Back in the days when Dinosaurs still roamed the earth, and Jack Wyatt > was a >young man, a mixture of keytops melted in Acetone was used to apply new >keytops. This was used in the factory as well as in the field. Long after the >factories stopped using the stuff individual techs stilled used it and many >still do. > For the old 'pyralin' keytops it worked very well but if you used too much >acetone, vs keytop material, the tops would 'suck' down into any holes in the >keytop...........this gives the effect of 'dimples' which you are probably >used to seeing and wondering where they came from...... :-) The 'new' molded >keytop material is more susceptible to this dimpling than the old pyralin and >that is one reason the thingees are so danged thick............... Not only that but the bond was too rigid and since the plastic did not expand at the same rate as the wood, the plastic cracked. Regards, Jon Page, piano technician Harwich Port, Cape Cod, Mass. mailto:jonpage@attbi.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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