I got some exterior oil stain in early spring. I opened the cans
recently and the stuff was thick like jello. I stirred and stirred
and no matter how much it just stayed a thick blob. I took a brush
and painted some of it on a scrap of wood and it left granules like
sand on the wood. I've used this brand before and never had this
problem with it.
I phoned the company and was told that it may have frozen. I told
them that it did not freeze after I bought it, but maybe it did before
I bought it. They said that there could be another problem too, and
said they would replace it. I was pleased with the results despite
the fact that I have to wait to get the replacement before I can
finish the paint job, but what else can I do. After getting off the
phone, I got to thinking about this. This is *OIL* Stain (Deck and
House) stain. I have seen latex paint freeze and it does indeed seem
to get the same consistency after freezing. So, this does seem like
it could have frozen before I bought it. But once again, this is
*OIL* stain. How can oil stain freeze? Oil dont freeze ......
Hey, I know motor oil gets thicker in winter, but the cold dont ruin
it, and in warm weather is just goes back to normal. But I can accept
what ramsey said about the other components in the paint or stain
getting bad from freezing, even though I would have thought that when
suspended in oil it would not. Kind of makes me wonder if some oil
based paints still contain some latex? If not, what parts would
freeze? I have left some cans of the so called "enamel" (oil based)
in the garage in winter and they were still ok. Guess I better keep
all paint products in the house from now on. That includes caulking,
because I've had that go bad from being outside in cold weather.
On Sep 18, 2:16 pm, email@example.com wrote:
Before exterior latex was used I had oil paint get ruined if I left it
out in the garage to about 0-10f, im sure there is even a moisture
content of whats in oil products, The deep freeze must break something
down chemicaly, or that minimal water is what ruins it.
That seems to be the question no one can answer. I used to think it
was the LATEX content, which somehow congealed or crystalized. But
now that I have likely seen an oil based paint do the same, I really
am not sure what it is. All I can say is that for some reason, latex
paint after being frozen (and thawed), looks like water with lots of
chunks of sand like grit in it. You can not stir it back to normal, I
have tried. Somehow the solid part turns into these particles and the
water is separated. The particles are actually non-disolvable, almost
like they dried. Another way to explain the appearance is that it
looks like cottage cheese, but much smaller curds.
I have always kept my latex paint indoors in winter, but I never
suspected oil paint would do the same.
Now we need some paint expert to explain why this change occurs when
paint is frozen. I have no clue.
Because something congeals it doesn't mean it freezes. Would you say
wax freezes because it doesn't flow?
That are additives and waxy molecules that freeze well below zero that
thicken and inhibit oil from flowing...but the oil itself does not
After a little thought process...metals have a crystalline
structure...so you could say they were "frozen" (except mercury at
normal temperatures). But motor oil, because it is in one lump...the
oil itself is not frozen. It's the waxy additives that are frozen.
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