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varnish-mineral spirits mix

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Forum topic by vind posted 05-16-2015 12:33 AM 816 views 0 times favorited 3 replies Add to Favorites Watch
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vind

21 posts in 771 days


05-16-2015 12:33 AM

I’m about ready to finish my coffee table made of cherry and wanted to know if the varnish/MS mix extends the drying time or speeds it up. Do you have to work super fast applying? Also if mixed with gloss does the finish dry glossy like unmixed or less glossy.

Thanks in advance from a newb not wanting to screw it up.

-- a dull chisel is just a fancy screwdriver


3 replies so far

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BurlyBob

3650 posts in 1726 days


#1 posted 05-16-2015 03:40 AM

I’ve used miniwax fast dry poly and thinned it with MS. I haven’t noticed it changing the drying time much either way. It also seems to dry just as glossy as straight. My only problem has been that it is self leveling, like i’m sure other brush on varnishes are so I’ve had to watch it closely for drips on the under sides.

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Fred Hargis

3927 posts in 1953 days


#2 posted 05-16-2015 11:13 AM

Thinning varnish with MS doesn’t seem to affect the drying time (much) to me. The way that varnish cures is the thinner flashes off, then the varnish cures in a reaction with oxygen. That second step (curing) varies more with environmental factors (temp, humidity, etc.) than anything. You can speed it up (for example) by letting a fan blow across the surface, that puts more air into contact with the varnish. I think the thinner coats (less varnish) tack up quicker allowing you to apply subsequent coats sooner, but I always stop after 3 and let the thing sit for 24 hours. Mix up a small amount and try it on scrap, I think you will be very happy with the way it goes on.

-- Our village hasn't lost it's idiot, he was elected to congress.

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RogerM

758 posts in 1859 days


#3 posted 05-16-2015 01:42 PM

I agree with Bob and Fred. My experience has been much like they have described. I sometimes add a few drops of Japan Dryer to my mix to help the drying/curing process go a little faster.

-- Roger M, Aiken, SC

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