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Paint Shop Tech. Talk about paint removers, thinners, primers and application techniques plus related topics. Rust removal, paint substitutes and color matching.

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Rustoleum in HVLP Gravity Feed Gun


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  #1  
Old 01-03-2016, 02:16:32 PM
prybar prybar is offline
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Default Rustoleum in HVLP Gravity Feed Gun

Was going to brush paint a engine, am not confident.
I have a 70cfm hlvp gravity feed gun. My question is: can I take oil base rustoleum out of the quart can and spray? I have two gravity guns. One fine spray and one medium for thicker paints or primer.
Has anyone done this?
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Old 01-03-2016, 02:48:34 PM
Amax Amax is offline
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Default Re: Rustoleum/hvlp

I have not used an HVLP but I have used a regular spray gun. You must reduce the paint before spraying. I used whatever it said on the can. I have heard that folks use acetone. You can also add a drying agent.
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Old 01-03-2016, 04:05:18 PM
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Ray Cardoza Ray Cardoza is offline
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Default Re: Rustoleum/hvlp

same here i thin it with acetone or paint thinner and go from there
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Old 08-14-2016, 07:46:58 AM
Tracy T Tracy T is offline
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Default Re: Rustoleum/hvlp

Same here I don't have a hvlp ,but a conventional gun and rustoleum goes thru it just fine when thinned with acetone. A word for the wise though, clean your gun and clean it good as soon as possible! I don't know what's in rustoleum but when it sets up its some tough stuff to deal with.
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Old 08-14-2016, 01:12:46 PM
Jeff Flicek Jeff Flicek is offline
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Default Re: Rustoleum/hvlp

I've squirted rustoleum with a hvlp gun thinned about 15% with mineral spirits. It worked good and I was amazed at how little paint was used compared to my old suction gun.
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Old 08-22-2018, 09:20:46 AM
PaintChemist PaintChemist is offline
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Default Re: Rustoleum/hvlp

I suggest that you never spray with straight acetone as a thinner. It evaporates very fast and will create a lot of loosely adherent dryspray. Acetone will be ok to cleanup with. The slower evaporating mineral spirits will allow the Rustoleum paint to flow out much better, produce less dryspray and give you a higher quality of finish. If you had to spray in cooler temperatures, you could add up to 25% acetone with your mineral spirits to create a cool weather solvent blend.
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Old 08-22-2018, 09:29:41 AM
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Default Re: Rustoleum/hvlp

I use Rustoleum through HVLP a lot on equipment. I usually thin about 15% with VM&P naptha but decrease the amount of naptha and increase accordingly with acetone when temperatures are cool. VM&P takes quite a spell to get out of "dust" stage when under about 80 degrees. Runs very easily too the cooler it gets. I usually get pretty clean work but I'm in an automotive downdraft spray booth that is heated.
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