Has anyone used acetone with Rust Oleum?

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Has anyone used acetone with Rust Oleum?

Post by tpirsig on June 3rd 2009, 8:39 pm

I'm in an upland, cool and wet part of Hawaii where the humidity is high, and I've always found Rust Oleum to be a pretty slow-drying paint. With no thinner it takes 24-36 hours to get dry to the touch.

I just did a test where I added about 20% mineral spirits to RO paint, and three days later it's still extremely tacky. Crying or Very sad I recall reading on the Mopar thread that someone else had trouble with slow drying once they added mineral spirits. Also, this tackiness is not a substrate issue -- happened on bare metal, on sanded fiberglass, on sanded POR-15, and on old paint wiped clean with laquer thinner.

I'm about to try acetone as a thinner, listed on the can as being suitable, has anyone else had good or bad results with this? If I remember right, someone on the Mopar thread said they tried it and it dried too quick -- not enough time to self-level -- but maybe it's a climate-by-climate thing.
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Re: Has anyone used acetone with Rust Oleum?

Post by markw on June 7th 2009, 9:59 am

I've heard this works good . http://www.jamestowndistributors.com/userportal/show_product.do?pid=3995
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Re: Has anyone used acetone with Rust Oleum?

Post by tpirsig on June 7th 2009, 3:59 pm

Funny, I just noticed this at Home Depot the other day and bought some. Slow-drying minds think alike Smile

I did test the acetone and I think it'll work fine. I'm not doing the 6-layer body painting yet, I was just testing it with a brush at about 20% mix, and it seemed to have plenty of time to self-level.
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Re: Has anyone used acetone with Rust Oleum?

Post by Lil Neon on June 11th 2009, 6:53 pm

Only 20% mineral spirits? Maybe you wanna bring it up to 50% spirits? It makes it super thin but your dry times will be reduced too with little orange peel.
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Re: Has anyone used acetone with Rust Oleum?

Post by tpirsig on June 11th 2009, 9:33 pm

This was just a test in the inside of the trunk to see how the dry time would be.
Unthinned: 1 day.
20% mineral spirits: 10 days and counting!!! I kid you not, it's still tacky.
20% acetone: 1 day.
I haven't started on the "real" project yet, still doing tests. I'll try 50% just for kicks, to see about the dry time. The "Japan Drier" too.

Thanks
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