I recently sprayed two pieces, a small tank and a roll-up door, with Tamiya PS-9 Green paint. I waited over 24 hours, the paint was completely dry and then I sprayed them outside with Testors Dullcote this morning. I left them in the garage to dry. When I checked them a few hours later, the finish on both was frosty and cloudy, kinda the same I've seen if you get rubbing alcohol on Dullcote. But let me clarify, there was no rubbing alcohol involved with this at all, so that's not the answer.
I have sprayed Dullcote over the same Tamiya paint before with no problem. Could humidity have caused the cloudiness? The pieces were sitting in the garage and I live in Maryland with fairly high humidity.
If the cloudiness can't be reversed, what can safely remove the Dullcote and the paint?
I appreciate any and all help,
Jeff
jcopilotCould humidity have caused the cloudiness?
I think you may have the answer right there. I also find variations in Dullcote finishes and humidity is the only variable I can think of.
I keep a blow-dryer near the paint booth and it has a low setting. I frequently use this on models just after the paint has been applied and I can see the moisture being driven off as I pass the warm air over the finish.
Dullcote dries very quickly but I still use the blow-dryer to drive off any moisture during the initial cure.
At least this is what has worked for me...
Good Luck, Ed
This happens down here in Humid Florida from time to time.
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It can usually be fixed. Just wait for a less humid day and spray it with Testors #1260 Dullcote again with a light covering. The cloudiness will usually go away.
I hope this helps.
-Kevin
Living the dream.
SeeYou190It can usually be fixed. Just wait for a less humid day and spray it with Testors #1260 Dullcote again with a light covering. The cloudiness will usually go away.
I "second" that.
Also : under "Extreme" circumstance's, If the dullcote is still foggy after an additional coat, I have been known to rub down the paint with alcohaul. Take's the dullcote fog off.
If you do this, be sure to wait about 2 to 4 hour's for the alcohaul to dissapate. Then you can re-apply the dullcote.
Rust...... It's a good thing !
I kind of like the different weathering effect it gave me. I've got a pair of identical Geeps, except for road number, but the weathering gives them each a distinct appearance.
It takes an iron man to play with a toy iron horse.
Yes, humidity is the reason. I used DC one night in the garage to dull down some wire trees I had made and everything turned a ghostly white. Checked the Weather Channel and it was ~90% humidity. I went to a plastic modeling forum site and sure enough folks there pointed out that DC should be used only when relative humidity is 60% or below.
So... got back on the Weather Channel and on a day that was below the cutoff, I resprayed the white-cast trees and this time success!
60 or below? On it goes!
Joel
Modeling the C&O New River Subdivision circa 1949 for the fun of it!
Thanks, everyone for your help. Your replies confirmed what I suspected. Little Timmy says rubbing alcohol can remove the cloudiness. But I wonder - is there a way to remove the layer of Dullcote without damaging the paint? Just wondering.
Thanks again to everyone who answered.
FWIW I use Tamiya's acrylic flat and gloss from the spray can. Works very well, no clean up, and doesn't seem to be affected by weather the way Dullcote can be.