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12th June 2012, 06:45 PM #1
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Solvent for hardened waterbased acrylic paint
Hello, I dug out my little Earlex HVLP spray outfit, only to find the test spray pattern with turps on cardboard was not too great, seemed to be a hollow in the centre of the fan pattern, and the fan pattern was curved instead of straight up and down .
I previously used it with waterbased acrylic paint 6 months ago, and the jets and air passage ways need cleaning, as shown below.
Can anyone please advise me how best to do this? Is there a solvent that will get rid of the hardened gunk?regards,
Dengy
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12th June 2012, 08:15 PM #2
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Water based paint can be softened/removed with methylated spirits. You may need to soak it for a while and give it a scrub with a hard toothbrush but it should be successful.
Regards,
Bob
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12th June 2012, 08:24 PM #3
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You could try a brush restoring liquid (Poly brand)
. Softens most paints to the point where a toothbrush can be used to clean up.Geoff
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13th June 2012, 05:28 AM #4
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Many years ago I had a similar problem and found the best stuff to remove acryic paint was Trichloroethane or Percalone - particularly nasty CFCs (as is now known).
However they were sold as Dry Cleaning fluids, so it might be worth trying whatever you can get now for dry cleaning.Dragonfly
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13th June 2012, 09:39 AM #5
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You could also try soaking it in lacquer thinner.
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13th June 2012, 10:08 AM #6
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Heat.... not so much that you melt the parts you want to keep.
Cliff.
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13th June 2012, 05:35 PM #7
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Many thanks for all your suggestions. Ended up soaking in Prepsol thinners, and that did the trick. Still needed a little effort with a toothpick scraping some of it from the air passages, but it worked
regards,
Dengy
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