[CAUT] Paint on Polyester

[Willem Blees]

Quoting Ken Zahringer <ZahringerK at missouri.edu>:

> We have a Yamaha C3 (black polyester) here that has been in a
> practice room
> for several years, and was just moved to a classroom.  There are
> some
> spots/streaks of white paint on the edge of the lid, from the wall of
> the
> PR.  I have no idea how long it has been there.  It looks like it
> happened
> the last time the PR was painted; I don¹t think it is from being
> jammed up
> against the wall.  Scraping the paint with my fingernail had no
> effect
> whatsoever.  Since the piano is now in a classroom, where everybody
> can see
> the paint spots, the boss wants it cleaned up.  I know poly is pretty
> inert,
> but I didn¹t want to just start trying solvents.  Anybody have any
> experience with this?  What will remove paint but leave poly alone?
> 
> Thanks,
> Ken Z.
> -- 
> Ken Zahringer, RPT
> Piano Technician
> MU School of Music
> 297 Fine Arts
> 882-1202
> cell 489-7529
> 
> 

Ken

There is no known solvent for poly. Back when I had a partnership with 
a furniture refinisher, we had a poly table that needed to be 
stripped. We dumped everything we had on that table, paint stripper, 
turpentine, lacquer thinner, acetone, and it just washed off like 
water. So go for it. 

Wim
Willem Blees, RPT
Piano Tuner/Technician
School of Music
University of Alabama
Tuscaloosa, AL USA