Fw: Fw: shellac sealer on plate yes yes yesYES

[Erwinpiano]

 Thanks for the warning David

 I'll use a metal primer next time and then shellac coat if necessary. After
giving this much thought lately do you or anyone out there have any
definitive answers to 1. what was the original black undercoating was  and
exactly and how it was  applied ? 2 Don't you think that the original gold
coats were either shellac or varnish or both? Premise: I firmly suspect that
it is  possible that whatever one might put over that old and at times
rather brittle finish could react over time and cause the finish in time to
peel off in sheets. I've seen a time or too, but not mine yet. All I'm
saying is that  finish products and processes will come back to bite you in
the rear end when you'all least expect it!
   I just sand blasted another plate that finish was chipping and flaking
off badly. It had been painted over once many years ago with some kind of
....... A new finish can not be put over that scenario successfully.

     Dale Erwin


----- Original Message -----
From: "David Stanwood" <dstanwood@hotmail.com>
To: <pianotech@ptg.org>
Sent: Saturday, July 07, 2001 2:20 PM
Subject: Re: Fw: shellac sealer on plate yes yes yesYES


>
> WARNING!
>
> Years ago I used shellac as a sealer for plates and after a few years the
> finish started to crackle and in some cases peel off in sheets.  I found
the
> solution in a product call Silicone Stop Sealer which was made by Mohawk.
I
> have two gallons left... but I called the factory and they put me through
to
> a chemist who told me that it is half shellac and half lacquer.
>
> The way I use it is to spray on as an undercoat then when it is quite dry
I
> spray Utilac gold in a spray can... this alas is discontinued as well.
Then
> I mix about 1/3 orange shellac with the silicone stop seal and overspray
the
> gold starting with a very thin coat then spraying until the right golden
hue
> is had...
>
> I love the look, warmth, and feel, especially in tungsten light....
>
> I treat the Steinway action rails the same way and it looks almost like
> polished brass.....but without the eventual tarnish.
>
> Shellac reacts with metal and I had some bad experience mixing shellac
with
> the powder but I think some experimentation with lacquer/shellac is worth
> while...
>
> David Stanwood
>
> >From: "Erwinpiano" <Erwinpiano@email.msn.com>
> >Reply-To: pianotech@ptg.org
> >To: <pianotech@ptg.org>
> >Subject: Fw: shellac sealer on plate yes yes yesYES
> >Date: Wed, 4 Jul 2001 07:20:08 -0700
> >
> >Very interesting post Mark Potter.  Once again it may have taken me
another
> >decade to think of that all by myself but I catch on quick after a long
> >time!
> >      Thanks
> >
> >    DAle Erwin
> >
> >
> >----- Original Message -----
> >From: bases-loaded@juno.com
> >To: pianotech@ptg.org
> >Sent: Wednesday, July 04, 2001 4:10 AM
> >Subject: Re: shellac sealer on plate yes yes yesYES
> >
> >
> >On Tue, 03 Jul 2001 21:43:09 -0700 "Diane Hofstetter"
> ><dianepianotuner@hotmail.com> writes:
> >   Dale,
> >
> >   Me too,  I offer up my gratitude to all who suggested shellac!
> >   After two coats of spray shellac, sanding in between all coats, and a
> >coat of gold enamel, the fish-eyes are gone and tomorrow I can put the
top
> >clear coat on.  Whew!
> >
> >   Diane
> >
> >
> >   Hi Diane -
> >
> >   I'm glad it worked out for you so well!  Yet another alternative for
you
> >would be to mix bronze powder right in with the shellac and use that as
> >your finish, or at least as a primer/sealer coat that already has a
bronze
> >color.  I have done it many times with good results every time.  Use the
> >palest color of shellac you can find, though, as a dark shellac will
yield
> >a darker gold color when mixed with the powder.
> >
> >   Shellac is a finisher's right hand man.
> >
> >   Mark Potter
> >   bases-loaded@juno.com
> >
> >
>
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