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The Body Shop TECH General questions that don't fit in any other forum |
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#1
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The Road to Do-Over
I waited a week for the rain to stop and the dewpoint to drop so I could paint my steering column.
I ended up with a wrinkled mess and am now on the road to Do-Over, USA, which is a well-traveled highway in my garage. I don't know anything about the paint chemistry (pic attached). I tested on a light primer and it looked too flat and too light, so I decided to spray it on top of a gloss black enamel, which did darken the color. How do I avoid this next time? Did this happen because the aerosol didn't like the gloss enamel or because I sprayed in multiple passes instead of one heavy coat? Because the color is metallic, I heard it would look wrong if I did it in multiple coats, so was trying to keep it wet with a few multiple passes in quick succession. |
#2
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It looks like the paint was lacquer and lifted the primer you used. Lacquer and enamels don't play well together. You will need an epoxy primer if that is the case.
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#3
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Thanks SR-71.
I appreciate the info. I do have some black epoxy primer, so I'll use that on the next attempt. |
#4
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I forget the rule .... lacquer over enamel ok, enamel over lacquer not ok ... or could be the other way around.
I know I've used lacquer over cured enamel ... .I think, with no problem, usually on random parts, not important stuff like interior parts. |
#5
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It is the other way around - enamel over lacquer - ok
__________________
1969 Judge, 4-speed, CR/Parchment, Quasi-Survivor, #'s match - under restoration |
#6
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Thanks all
Note to self.. don't put lacquer on top of enamel.. |
#7
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Yep, that's got to be it, seems like we used to use tons of lacquer based primer with enamel over it.
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#8
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I did that on my Ram Air pan that I painted, was on the second coat and it went all wrinkly on me. Had to wait till it dried, stripe it all down and paint again. Such a pain!!!
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