Water-Base Lacquer

Jon Page jonpage@attbi.com
Fri, 07 Jun 2002 07:51:53 -0400


At 05:37 AM 6/7/2002 -0400, you wrote:

>On Fri, 07 Jun 2002 00:58:14 -0400 Jon Page <jonpage@attbi.com> writes:
> > When using shellac as a sealer, a week or two has to pass before
> > topcoating with lacquer or a water-based material.
>
>Hi Jon -
>
>No offense, but I'll have to disagree with this statement.  Using fresh,
>dewaxed shellac, spraying two coats of 1 1/2 lb. cut 2 hours apart,
>allows topcoating of water-based material in as little as 2 hours (under
>ideal temp and humidity), and certainly no more than overnight at the
>outside.  This is assuming, of course, that it hasn't been "gobbed" on
>thicker than would be prudent.  I have done this routinely over the last
>10 years with no problems at all, and know other refinishers following
>the same schedule.  Even in the old days, spraying the nitrocellulose
>lacquer, I routinely would use shellac as a fish-eye controller, and
>found overnight more than adequate.  A quick scuff with a grey pad and
>fire away.
>
>Have you actually had problems of compatibility with dewaxed shellac
>having cured overnight?
>
>Mark Potter
>bases-loaded@juno.com
>

I stand corrected. Perhaps my encounter was with too thick of a coating of 
shellac - waxed at that, now that I recall.

Thanks,
Regards,

Jon Page,   piano technician
Harwich Port, Cape Cod, Mass.
mailto:jonpage@attbi.com
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