shellac under varnish

[Bill Ballard]

At 8:36 AM -0700 8/28/03, David Love wrote:
>Why is it that many varnish manufacturers advise not to use their products
>over shellac.  It is my understanding that shellac was traditionally used
>as primer coat for varnishes?

I think it might be more specifically an incompatiblility between 
shellac and urethane resins, which unfortunately are the basis for 
most modern varnishes.

You might check the can for an 800# to get your question answered.

Bill Ballard RPT
NH Chapter, P.T.G.


"A jester unemployed is nobody's fool."
     ...........Danny Kaye, in "The Court Jester"
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