I haven't done any refinishing in a long time, but back when I did we always sanded between coats. The idea is to fill the grain, right? What am I forgetting? David I> -----Original Message----- From: Farrell <mfarrel2@tampabay.rr.com> To: pianotech@ptg.org <pianotech@ptg.org> Date: Monday, November 20, 2000 4:53 AM Subject: Re: Piano Finishes >Most oil-based finishes - polyurethanes, epoxies, enamels, etc. and >water-based finishes require sanding between coats to provide a bond between >finish coats. Nitrocellulose laquer (most common type used for decades) has >a unique property of 100% burn-in. Each subsequent coat will melt into, or >partially dissolve, the previous coat, thus providing a great coat-to-coat >bond, and eliminating the need to sand between coats for adhesion purposes. >This feature can perhaps save about 4,000 hours (maybe more for me) of >sanding on a multi-coat piano refinishing! > >Terry Farrell >Piano Tuning & Service >Tampa, Florida >mfarrel2@tampabay.rr.com > >----- Original Message ----- >From: "Clyde Hollinger" <cedel@supernet.com> >To: <pianotech@ptg.org> >Sent: Monday, November 20, 2000 6:30 AM >Subject: Re: Piano Finishes > > >> Friends, >> >> I am not into case refinishing, and I would like to know. What is meant >by >> burn-in? >> >> Regards, >> Clyde Hollinger, RPT >> Lititz, PA, USA >> >> >> > And the 100% burn-in quality >> > is a real plus, and is not time sensitive. In other words, you do not >> > have to recoat within a certain window to keep the burn-in effective. >> >> >> > >
This PTG archive page provided courtesy of Moy Piano Service, LLC