What is BLO

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Forum topic by hjt posted 07-31-2011 12:01 AM 3781 views 0 times favorited 11 replies Add to Favorites Watch
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819 posts in 2380 days

07-31-2011 12:01 AM

Being new to woodworking I’m not familiar with some terminology. So tell me “what is BLO?” I’m going to guess we’re not speaking cocaine. Is this a product or a technique?

-- Harold

11 replies so far

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101 posts in 2573 days

#1 posted 07-31-2011 12:09 AM

boiled linseed oil.

-- ~the turtle

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306 posts in 3278 days

#2 posted 07-31-2011 12:10 AM

Boiled Linseed Oil. Often used as a finish for woodworking projects

-- John H. [To invent, you need a good imagination and a pile of junk. ~Edison]

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14701 posts in 2248 days

#3 posted 07-31-2011 12:14 AM

There is a difference between boiled linseed oil and raw linseed oil as well .. raw linseed oil used as a finish will take a very long time to dry.

-- "there aren’t many hand tools as awe-inspiring as the #8 jointer. I mean, it just reeks of cast iron heft and hubris" - Smitty

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Steven H

1117 posts in 2302 days

#4 posted 07-31-2011 02:05 AM

Barbie Liberation Organization

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819 posts in 2380 days

#5 posted 07-31-2011 02:47 AM

I knew I could count on my fellow LJ’s to steer me right.

Not a joke, actual question… who’s doing the boiling?? Am I buying linseed oil and warming or boiling this, or is this the way the product completes – boiled and ready to use. As I’ve said – I”m new at this. Other than paint or poly, I’ve not used any of this stuff.

-- Harold

View crank49's profile


3946 posts in 2213 days

#6 posted 07-31-2011 02:59 AM

You buy it already boiled.

Except in California; I read somewhere that you could not buy BLO in California.
Probably something to do with VOC.

I think I also read that it is not actually boiled, just processed with some chemical to make it dry better.

-- Michael: Hillary has a long list of accomplishments, though most DAs would refer to them as felonies.

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Steven H

1117 posts in 2302 days

#7 posted 07-31-2011 03:15 AM

BLO is not boiled but heated with metallic driers added in it.
You can still get BLO in California, there is a big battle going on with AQMD.

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819 posts in 2380 days

#8 posted 07-31-2011 04:24 AM

Autumn – thank for the translation. Steven, as for the metallic driers, are they electric or gas? If gas, should I use propane or natural?? :~)

Just read the link supplied by Hoakie – very informitive. And come to find out… Steven wasn’t pulling my leg. The Wikipedia link describes a “metallic dryer” process.

-- Harold

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159 posts in 1922 days

#9 posted 08-01-2011 07:03 AM

if i remember right , linseed oil stems from the flax seed . you know , the pills we take for heart health!

-- rick

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819 posts in 2380 days

#10 posted 08-01-2011 05:21 PM

So Rick, are you suggesting I should rub a little on the board and a little on my chest for a healthy heart??

-- Harold

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1376 posts in 3113 days

#11 posted 08-02-2011 11:02 PM

garbage in a can ( sorry :) )

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