French Polishing

[Jos]

Nancy McMillan wrote:
> 
> ----- Original Message -----
> From: Richard Brekne <richardb@c2i.net>
> To: <pianotech@ptg.org>
> Sent: Wednesday, June 23, 1999 6:22 AM
> Subject: Re: Upright Action Mounts
> 
> >
> Hi Richard,
> The fogginess or  blushing is moisture being trapped in the shellac as it
> dries.    Either too much in the air or too much in the shellac.  Toss the
> shellac if that is suspect.
> Solutions are three as spelled out by Bob in his excellent book, ISBN
> 0-87596-734-5 paperback, quote:
> 1. Try letting the shellacked surface dry overnight. Often the moisture will
> work its way out on its own.
> 2. On a dry day, spray, brush, or wipe straight alchol onto the surface. The
> alchol will soften the shellac and draw the moisture out.
> 3. Rub the shellac with sandpaper or steel wool to cut through the blush.
> Hope this helps.
> Sincerely Doug Mahard, Associate Member
> 
> >

There are also some mildly abraisive car laqure 'revivers', I sometimes 
try those.

Jos.
-- 
___________________________________________________________
J.G.A. van Riswick, Eindhoven University of Technology,
Eindhoven, The Netherlands. mailto://j.g.a.v.riswick@tue.nl
mailto://josvanr@xs4all.nl http://www.dse.nl/~josvanr