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how hot is too hot for blo drying?

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Forum topic by futzy posted 09-12-2014 03:08 PM 717 views 0 times favorited 8 replies Add to Favorites Watch
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futzy

4 posts in 816 days


09-12-2014 03:08 PM

Topic tags/keywords: blo

Hello all,

This is my first post on LJ. I’m am currently finishing a cigar box ukulele and I am starting with Boiled Linseed oil. I know BLO dries fairly quickly (1-3 days) and I know the temperature plays a role in dry time but how hot is too hot. I live in the California desert and it is around 100 degrees right now. Can I leave it outside to dry, and how long should it take to dry at 100 degrees?


8 replies so far

View Gerald Thompson's profile

Gerald Thompson

808 posts in 1697 days


#1 posted 09-12-2014 04:34 PM

I don’t know about 100d but a lot would depend on humidity. I live in high humidity Fl. and it usually dries in two days. Don’t put it out in the sun!

-- Jerry

View Fred Hargis's profile

Fred Hargis

3935 posts in 1956 days


#2 posted 09-12-2014 05:42 PM

The curing is a reaction with oxygen, and most chemical reactions occur quicker with warmth. 100ยบ isn’t too hot, but what’s next? It would be dry enough to top coat with most finishes within a day or so…..but it still takes quite a while to fully cure. I agree with Jerry, don’t put it in the sun….

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

View Rick M's profile

Rick M

7913 posts in 1843 days


#3 posted 09-12-2014 06:09 PM

Wipe off the excess oil, top coat it with shellac and forget about it. Shellac doesn’t care about oil, doesn’t care if it’s wet or dry. One won’t affect the other.

-- http://thewoodknack.blogspot.com/

View futzy's profile

futzy

4 posts in 816 days


#4 posted 09-12-2014 06:56 PM

I originally wanted to do a 30/30/30 poly oil and mineral spirits but I only have easy access to a lowes right now and they only carry water based poly. I didn’t want a super glossy finish. I might just end up mixing the shellac with the Blo to dull it down.

Just s&g’swhat happens if I put it in the sun.

Oh and humidity is not a concern here

View futzy's profile

futzy

4 posts in 816 days


#5 posted 09-12-2014 06:58 PM

Here it is with a single coat or BLO

View Hammerthumb's profile

Hammerthumb

2533 posts in 1438 days


#6 posted 09-12-2014 07:25 PM

If you put it in the sun, it will start bleeding oil out of the wood pores. Rick is right, coat it with shellac. You can then put a water based poly over it if you want to.

-- Paul, Las Vegas

View Rick M's profile

Rick M

7913 posts in 1843 days


#7 posted 09-12-2014 07:48 PM

Looks good futzy. Is that headstock raised instead of lowered or is that an optical illusion?

-- http://thewoodknack.blogspot.com/

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futzy

4 posts in 816 days


#8 posted 09-12-2014 08:23 PM

Thanks, and it’s an optical illusion. The head and neck are one piece but the head portion had 1/4 in taken from the width then I added a strip to the back for shape and to accommodate the depth of the tuning pegs.

Here is a better pic

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