tuyng oil/poly mix

You could probably use 100% of one to 100% of the other or any ratio in between
if all you are doing is sealing. Since poly will probably have a better long
lasting seal than Tung Oil, you might want to slant the mix ratio toward the
poly side.
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Poly (varnish) already is tung oil, or at least some approximation of it,
resins, and a carrier (mineral spirits). You can mix in more oil and/or more
thinner and make you own Danish oil or your own wiping varnish, depending on
what you are looking for.

If all you want to do is seal MDF adding tung oil to the varnish isn't going
to do much. Certainly not provide extra protection. Thin the varnish fifteen
or twenty percent to make yourself a wiping varnish and just wipe it on or
don't and brush it on and you'll have all the protection you can get from a
varnish.. .

--
Mike G.
Heirloom Woods
www.heirloom-woods.net
"C Carruth" <[email protected]> wrote in message
news:[email protected]...
> What is proper mix of tung oil and poly to use? I am sealing a piece of
MDF
> and this has been recommended...thanks..
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