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Shellac--how dangerous is denaturated alcohol?

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Forum topic by DrTebi posted 122 days ago 349 views 0 times favorited 8 replies Add to Favorites Watch
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DrTebi

25 posts in 165 days


122 days ago

Hello,

I have just mixed my first shellac from shellac flakes and denaturated alcohol tonight. Before I get back to my project and start using it, I am wondering how dangerous the fumes of the shellac mix are? The denaturated alcohol itself has quite some scary warnings on the can, I suppose these all apply the same once the shellac is mixed? Should I wear a “serious” respiratory mask? I have seen a couple of videos on applying shellac, the persons applying it wear gloves (which I will certainly do too) but no masks whatsoever.

BTW, my room is fairly well ventilated, and I am planning on using the “Padding Shellac” method described in Jeff Jewitt’s book.

Thanks,

DrTebi

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Kindlingmaker

1477 posts in 425 days


122 days ago

Fumes are strong and will ignite with flame. Basicly its pretty safe but always use the best saftey gear that you have and are comfortable with. Some saftey gear to pricey but lungs, eyes, ears and fingers are even more costly and really hard to replace. Always work to the safe side!

-- Never board, always knotty, lots of growth rings

View Julian's profile

Julian

695 posts in 424 days


122 days ago

Alcohol isn’t that bad. You should wear a respirator IF you spray it, but you are fine if your just brushing it.

-- Julian, Park Forest, IL

View Waldschrat's profile

Waldschrat

340 posts in 334 days


122 days ago

DrTebi

I do not think you need to make serious thoughts on the fumes… as long as your shop/work area well vented is and you gloves you have, it should not be a problem. I think it is typical for american products to have “idiot” warnings and what not… one time I have een saw a garbage can with a huge list of warnings on it. One pictogram had a person head first with water as a sort of drowning warning! Which I found pretty funny.

But seriously, you should not have any problems… excecpt for the alcohol, the schellack is about as natural as you can get for a finishing product.

-- Nicholas, Journeyman Cabinetmaker, Partenkirchen, Germany

View moshel's profile

moshel

479 posts in 582 days


122 days ago

As everyone said, its not too bad unless you try to drink it…. its an acquired taste :-) (DONT TRY TO DRINK IT)

-- The woods are lovely, dark and deep, but I have promises to keep...

View Matt's profile

Matt

110 posts in 1315 days


122 days ago

I’ve worked with denatured alcohol for the past 13 years at my day job and as has been mentioned already, short of drinking it or exposing it to an open flame your only concern will be it evaporating before it’s completely applied (I wouldn’t worry about that either).

The great thing about the denatured alcohol and shellac is it dries quickly and there’s practically zero smell. I use it all the time in my basement shop.

-- Straight grains & sharp blades

View Douglas Bordner's profile

Douglas Bordner

3427 posts in 963 days


122 days ago

I pad shellac at the kitchen counter unit all the time. Just don’t smoke around it or drink it. They add the wood alcohol so it won’t be a temptation for drinking.

-- "Bordnerizing" perfectly good lumber for over a decade.

View Bob #2's profile

Bob #2

3055 posts in 920 days


122 days ago

wikis are agood place to start getting specific information on various things.
They are not always right but then again, what is?

http://en.wikipedia.org/wiki/Denatured_alcohol

-- A mind, like a home, is furnished by its owner

View CessnaPilotBarry's profile

CessnaPilotBarry

1290 posts in 601 days


122 days ago

Denatured alcohol is basically “pure grain”, just as we can buy at a liquor store. The “denaturing” process involves adding a chemical to make it poisonous and undrinkable. If it were drinkable, we would have to pay liquor taxes.

This is why shellac surfaces are so easily damaged by spilled hard liquor. We drink the solvent! <g>

-- - Please help keep Lumberjocks an enjoyable escape by refusing to participate in political discussions. Simply spit out the bait and ignore the thread...

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