Wally and all, I've been told that the Turbine which produces warm air (if run for a long time) can aid in the drying process. I've also been told that things can dry too fast as a result of it. Seems like both could be true and one would have to know how thin a product to use to avoid any detrimental effects either way. Greg Newell Wilsons wrote: > What is PSL? Where do you get it? and I think an academic question for > this list is one regarding spray method mentioned below vs brand of > waterbase topcoat. Webb Phillips recommends HVLP because of the warming > benefit. It is suggested here that the warm air in HVLP may be a hindrance > to good finish. Comments? > > Wally Wilson, RPT > Ravenswood, WV > Columbus, OH Chapter > > At 07:54 AM 1/22/01 -0500, you wrote: > >Well, yes, the PSL is waterbase - at least that is what the can says. I'm no > >expert with any of this stuff, but the > >others I tried did all sorts of weird things and this one just seems to go > >on easy and sands so very easy (I have no doubt that some of the problems > >were directly associated with my lack of spray experience). I put six coats > >on one day and six the next > >(wanted to be sure I did not sand through!). Let it dry a week and it sanded > >so very easily (I hit it with 600 grit, then 800 and then hand-rubbed for > >the satin - for the gloss I went to 1000 wet-sanding, then 1500, and then > >buffing). > > > >The Oxford PSL is not the only thing that is new for me in this process. I > >did not have a good experience with water base grain fillers and stains. I > >went back to the oil-based paste wood grain filler/stain that I have used > >for years refinishing mahogany yachts. I am also using the new 3M 216U > >Production Fre-Cut Gold sandpaper that Mark Potter posted on. Fabulous > >stuff. I also got a new spray gun, an Asturo ECO/S - its an Italian, gravity > >feed, HVLP conversion gun (runs off air compressor - I guess turbines tend > >to heat spray up and can cause problems). So, yes I changed topcoat product, > >but I also changed some other major components of the process. But I finally > >feel confident that I can reliably put a finish on a piano that is fully the > >equivalent of that found on any new high-end piano. > > > >Terry Farrell > >Piano Tuning & Service > >Tampa, Florida > >mfarrel2@tampabay.rr.com > > > >----- Original Message ----- > >From: "Greg Newell" <gnewell@ameritech.net> > >To: <pianotech@ptg.org> > >Sent: Sunday, January 21, 2001 11:04 PM > >Subject: Re: Refinishing Success at Last! > > > > > >Terry, > > Being this happy as you are, are you sure this is water based stuff? > >:') > > > >Greg > > > >Farrell wrote: > > > >> I have posted several times regarding troubles I had been experiencing > >> trying to lay down a decent topcoat on a piano. I just thought I would > >> briefly post that I have finally had success. > >> > >> I prepared several test panels of mahogany, walnut and birch veneered > >> plywood and did several different stain colors (red, brown, etc.) with > >clear > >> topcoats and two panels in ebony (black). Sprayed them with Oxford PSL > >> (Premium Spray Laquer), rubbed them out and made a couple hi-gloss and > >> several satin. The ebony is good, but in good light I can see that I need > >to > >> adjust my sanding schedule just a bit (hey - it was my first try!) - in my > >> home, I can't tell the difference between it and my ebony Boston grand. > >The > >> satin stained and clearcoated pieces came out fabulous. Perfectly flat, no > >> imperfections, NO WINDOWS BETWEEN SPRAYED LAYERS, no pinholes, no nuttin' > >> but beautiful red mahogany/brown walnut grain and a warm satin finish. And > >> it all sanded very, very easy - I know now I will have no difficulty > >getting > >> consistent good results! > >> > >> Thanks Mark Potter for a lot of help from you! > >> > >> I am sooooooooooooooooooooo happy! :-) :-) ;-) > >> > >> Terry Farrell > >> Piano Tuning & Service > > >> Tampa, Florida > >> mfarrel2@tampabay.rr.com > > > >-- > >Greg Newell > >Greg's Piano Forté > >19270 Harlon Ave. > >Lakewood, Ohio 44107 > >216-226-3791 > >mailto:gnewell@ameritech.net > > -- Greg Newell Greg's Piano Forté 19270 Harlon Ave. Lakewood, Ohio 44107 216-226-3791 mailto:gnewell@ameritech.net
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