Arthur Grudko (PianoLac) has a remarkable oil rubbing lubricant. Don't use water on a water-based material (make certain it is not a w/b lacquer). Jon Page At 05:54 PM 1/15/2003 -0500, you wrote: >In a message dated 15/01/03 5:39:25 PM, tito@philbondi.com writes: > ><< I have heard about a technique called 'wet sanding' when working with a >laquer finish. >> > >Uhh is this a 'trick' question??? :-) > > Wet sanding of laquer (nitrocellulose at least) is needful because the >laquer will cake up the sandpaper very quickly and prevent an even, smooth >stroke across the surface. > Occasionaly the build up of 'bumps of laquer, on the paper, will > transfer to >the finish and partially bond to the surface thus causing more problems and >work to clean up the mess....... Soooooooooo to prevent this problem wet >sanding is used.... many finishers use their own special 'stuff' for wetting >the paper and surface.........my favorite mixture is Wool Wax dissovled in >water to a not quite slurry consistency. This not only provides lubrication >to the paper but also keeps the laquered surface clean and ready for >respraying between sanding turns.............. >Use "wet or dry" paper by 3M, 320, 400, 600 (your choice) and if more is neede >d finish off with a final rubbing of 'Scotch Brite' for a smooth, very nice, >handrubbed finish..... OK?? >Jim Bryant (FL) >P.S. Do NOT wet sand nitrocellulose sealers! :-( >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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