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is this shellac spoiled?

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Forum topic by Spikes posted 12-18-2018 04:25 PM 467 views 0 times favorited 6 replies Add to Favorites Watch
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Spikes

125 posts in 468 days


12-18-2018 04:25 PM

Hi,

first time I’m using shellac, I bought a can from HD of Zinsser Bulls eye and while it appears to have worked it looked spoiled to me, however not having another term of comparison/experience I’m not sure. Here’s a pic, notice the white spots:

stirring did nothing. I did not have DNA to try and dissolve it, maybe that would have done it, but what are those white particles anyway?

thanks,

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.


6 replies so far

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Rich

4584 posts in 1012 days


#1 posted 12-18-2018 04:47 PM

If it’s regular Zinsser and not the Seal Coat which is dewaxed, that’s normal at lower temperatures due to the wax. I just checked a can that’s in my garage at 60ยบ and it looks the same.

-- Knowledge is not skill. Knowledge plus ten thousand times is skill. -- Shinichi Suzuki

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TravisH

677 posts in 2358 days


#2 posted 12-18-2018 04:50 PM

Your picture looks more like their primer/stain blocker line after sitting for a very long time and allowed to separate…...

I have never had their shellac do that when stored out in my shop.

View Fred Hargis's profile

Fred Hargis

5595 posts in 2916 days


#3 posted 12-18-2018 05:05 PM

You said it was Bullseye, which is not dewaxed. Wax would be my guess as well. If it was cold, letting it warm up might redissolve them (if they are wax), or strain it through a filter.

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

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Spikes

125 posts in 468 days


#4 posted 12-18-2018 05:29 PM

thanks guys, that makes a lot of sense. Indeed it’s the regular Zinsser (so waxed) and shop is unheated/metal shed so it’s getting very cold at night (below 60). I will try to heat it up a bit and see if it helps.

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.

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bilyo

746 posts in 1525 days


#5 posted 12-18-2018 10:27 PM

I assume you know that shellac is an alcohol based product and therefore it is flammable. As you “heat it up a bit” don’t get it near an open flame.

For your purpose, you may not care if the shellac contains wax. If you do, you can let the can sit motionless for a week or so. The wax will settle to the bottom and you can then decant the dewaxed shellac from the top being careful to not disturb the wax at the bottom. The cold temp may actually help with this process.

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Spikes

125 posts in 468 days


#6 posted 12-18-2018 10:56 PM

yes I was aware but never hurt to give the reminder… I planned on simmer the can in some hot water, don’t think the can needs to get super hot.

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.

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