View Poll Results: Do you re-use your Paint Thinner/Mineral Spirits?
Yes 11 78.57%
No 3 21.43%
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Do You Re-use Your Paint Thinner/Mineral Spirits

 
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Old 12-02-2010, 08:46 PM   #1
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Do You Re-use Your Paint Thinner/Mineral Spirits


I try and re-use it and re-use it, then I strain the sludge. Repeat.
No paying to recycle, saves lot's of $$$ money and cut's down on my footprint on the environment.

Scrap thinner that's been sitting for about 30 day's.






Strained and drying out.



Last edited by Sir Mixalot; 12-02-2010 at 08:49 PM.
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Old 12-02-2010, 08:48 PM   #2
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Yes I recycle it as well.

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Old 12-02-2010, 09:06 PM   #3
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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Yes I recycle it as well.
Yeah, I know guy's that were paying $1500.00 plus a year to have it recycled.
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Old 12-02-2010, 09:20 PM   #4
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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Yeah, I know guy's that were paying $1500.00 plus a year to have it recycled.
Damn I did not know it was that much.

I think it is the way to go to have a waste container for it if for nothing else than to have dirty thinner for your first wash.
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Old 12-02-2010, 09:32 PM   #5
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Recycling is the way to go, and when it won't clean anything anymore, it makes starting the backyard fire pit exciting.
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Old 12-02-2010, 09:36 PM   #6
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


I pour mine into the yards of people who drive a Prius
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Old 12-02-2010, 09:40 PM   #7
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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I pour mine into the yards of people who drive a Prius
I've asked a paint sub one time what he did with his spent spirits and lacquer thinner. More than one said they poured it into the hole before the driveway gets poured on new construction jobs.
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Old 12-02-2010, 09:46 PM   #8
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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Originally Posted by A. Spruce View Post
I've asked a paint sub one time what he did with his spent spirits and lacquer thinner. More than one said they poured it into the hole before the driveway gets poured on new construction jobs.
That is just stupid.
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Old 12-02-2010, 09:53 PM   #9
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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I've asked a paint sub one time what he did with his spent spirits and lacquer thinner. More than one said they poured it into the hole before the driveway gets poured on new construction jobs.
I have seen that happen many times.
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Old 12-02-2010, 10:12 PM   #10
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Yes, to light the burn pile.
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Old 12-03-2010, 08:28 AM   #11
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


My company goes through 6 to 10 55g drums of thinner and 5 to 8 drums of MEK a year and we don't recycle - we do ship the waste thinners back to our supplier.

Maybe we should but the cost to pay someone to do the work & the space needed to store the drums might not be cost effective.
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Old 12-03-2010, 08:53 AM   #12
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Dumping old thinner behind your shed will kill your neighbors trees.

How do I know this?

It's a secret.
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Old 12-03-2010, 10:16 AM   #13
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Quote:
Originally Posted by NAV View Post
My company goes through 6 to 10 55g drums of thinner and 5 to 8 drums of MEK a year and we don't recycle - we do ship the waste thinners back to our supplier.

Maybe we should but the cost to pay someone to do the work & the space needed to store the drums might not be cost effective.
Nav, by shipping your solvents back to your supplier, you ARE recycling, but not re-using, at least as I see it. We do something similar, but on a much smaller scale. We don't reuse thinner, but we do work with a solvent recyling firm who picks up the drums from us periodically. Only problem with that is having to pay for it AND having to register with either state DEQ or you-know-who-who-brought-us-RRP, depending on the amount/type of waste generated.
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Old 12-03-2010, 10:24 AM   #14
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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Originally Posted by Sir Mixalot View Post
That is just stupid.
Hey, I don't make this stuff up, I just report it.

It didn't make much sense to me either, but then I don't generate it at any quantity, so what little waste I make I can deal with myself.



Quote:
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Dumping old thinner behind your shed will kill your neighbors trees.

How do I know this?

It's a secret.
Don't you hate it when your neighbors do that?
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Old 12-03-2010, 10:13 PM   #15
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


All of the components in paint thinner are extremely volatile and will usually disperse into the atmosphere where it's broken up by sunlight or reacts with oxygen in the air. Just about everything in thinner are petroleum distillates, hydrocarbons that break down into smaller and smaller pieces until they end up as water and CO2. I used to just pour my old thinner into an old paint tray outside and let it evaporate, leaving behind dried paint that I could throw away. Why someone would pay $1500 / year to recycle is beyond me, unless they're literally going through tons of the stuff. Just because it's volatile and toxic doesn't mean it poisons the environment forever if not handled by professional recyclers.

The filtration idea is great because thinner is not cheap, and it is an extremely efficient use of the product. I definitely want to try it out. What do you use to filter the thinner?
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Old 12-04-2010, 12:59 AM   #16
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


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The filtration idea is great because thinner is not cheap, and it is an extremely efficient use of the product. I definitely want to try it out. What do you use to filter the thinner?
Leave it sit undisturbed for at least a week, the solids will settle out. Pour the liquid into a clean container through a sieve with a paper towel or coffee filter in it to catch whatever floaties are left.

The solids can be spread out on a piece of cardboard along with the filtration media and pitch it in the garbage can when dry.
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Old 12-04-2010, 10:18 AM   #17
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Quote:
Originally Posted by Remodelor View Post
The filtration idea is great because thinner is not cheap, and it is an extremely efficient use of the product. I definitely want to try it out. What do you use to filter the thinner?
Once a five gallon metal bucket sits for about 30 day's.
I can usually get between 2-3 gallons of clear thinner out of it,
by just skimming it off the top with a cup or cut down gatorade bottle.


Then I take a five gallon paint strainer and pour the rest through it
into another five gallon metal bucket.
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Old 12-04-2010, 04:30 PM   #18
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Quote:
Originally Posted by Sir Mixalot View Post
Once a five gallon metal bucket sits for about 30 day's.
I can usually get between 2-3 gallons of clear thinner out of it,
by just skimming it off the top with a cup or cut down gatorade bottle.


Then I take a five gallon paint strainer and pour the rest through it
into another five gallon metal bucket.
I reached the conclusion that for us this was worthwhile for flushing out airlesses, etc., but not so much for cleaning up brushes. I found that the buildup of driers and other solutes in the reclaimed thinner meant that it took even more fresh thinner to rinse out the brushes throroughly. Given that it's been many years since we used our airlesses for solvent-based material, we stopped reusing thinner.
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Old 12-04-2010, 05:51 PM   #19
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


Good point, Glough

While I do reuse my thinner to a point...

I too like the crystal clear new stuff, fresh outta the jug.
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Old 12-04-2010, 07:58 PM   #20
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Re: Do You Re-use Your Paint Thinner/Mineral Spirits


While there is no replacement for fresh thinner, the fact still remains that at least the first run recycled thinner will work well for most cleaning situations. After the second run, I don't disagree that the quality of return diminishes rapidly. Betcha that it will still blow most of the cr*p out of your airless after blowing red label Zinnser.

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