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General Category => General Scroll Saw Talk => Topic started by: woodcutter on June 25, 2011, 03:47:26 pm
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I bought some boiled linseed oil to mix with mineral spirits and use on a project.
How long do I need to wait for it to dry before I can put on a coat of spray lacquer?
Or does it depend if I soak it or rub it on.
Im using it on birds eye maple.
Jim
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Jim, Mix the BLO and mineral spirits 50/50. Weather you soak it or rub it in you want to wipe off all the excess oil. Use a clean lint free rag, I use old tee shirts for this. Check every few minutes to get any oil that seeps out. Depending on the humidity, you can topcoat in one to three days. Just make sure you don't feel any wet oil on the project before you topcoat.
Make sure you don't leave any oily rags bunched up in a pile. As the oil dries heat is created and can cause the pile to catch fire. I lay them across an old waste can for 24 hours. When dry, you can toss them.
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If you use shellac there is no need to wait at all. I saw in one of my magazines where the guy applies BLO and waits ten minutes, wipes the excess and then waits another ten minutes and then applies shellac. Looks amazing when finished, and it drys fast.
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I do it exactly like Dan does!
Normally I'm doing the oil thing as a last work in the shop - after that the wood can dry until I get in the shop next time (at least ~20h). Then I do first the lacquer because there is less/no dust in the air. After that I clean up the bench and go for a new project.
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Like Dan, 50/50 mis and I rub it of.
I usually wait 15 min. and use my air gun to blow out the small holes.
I then wait for at least 24 hour before finishing with lacker.
be careful:
don't put the rags on a pile but hang them out to dry.
Oil generates heat when drying and this can cause fire.