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Issue with Vallejo Air paints and Hairspray.........

February 21 2012 at 1:05 AM
  (Login veezerboy)
Missing-Lynx members
from IP address 24.136.75.145

I had painted my Tiger in a base coat of Model Master Enamel Grey and it had cured for a couple of months.

Decided to do the hairspray thing for it's 3 tone camo. Wanted to show 4 months of nice wear and tear.

Sprayed the Tresme fine mist hairspray on it, 2 coats, and let dry for approx 1 hour.

Mixed up a base coat of Air Dark Yellow and White, sprayed it on............................ And when it dried, there where CRACKS everywhere in the paint!!! Even after 4 coats, the cracks would not close up, and they were everywhere!!!

So, after a lacquer thinner scrub, the paint came off. It was coming off with water, but not good enough.


So, my question is, What Happened??? It's like the Air paint would not hold onto the hairspray. Does the Air brand not work for this??

A totally major set back. I had high hopes of getting the camo and chipping done this week, but now I'm back to painting the grey again. The lacquer didn't eat all the way through the hairspray and grey, but it's a light grey now. Just really bummed sad.gif

 
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AuthorReply

(Login afvmodeller)
Missing-Lynx members
2.221.151.157

Possibly

February 21 2012, 5:25 AM 

Hello Ron

I find that Vallejo Air does not adhere well to a glossy surface like you will have after applying hairspray. It also tends to ball on bare plastic. The regular Vallejo colours should work better - just thin with water.
The grey coat will probably have lifted due to all the water and scrubbing.

Hope that is some help and better luck next time.

regards David

 
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Ron Hetherington
(Login veezerboy)
Missing-Lynx members
24.136.75.145

Thanks Dave!! That explains everything. I think Vallejo needs to fix this issue....

February 21 2012, 5:05 PM 

because I'm going back to Tamiya for the bite properties that they have. It's a shame to because the Air paints flow really nice thru the gun.

 
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(Login viper29_ca)
Missing-Lynx members
156.34.64.214

I had the same problem...

February 21 2012, 11:40 PM 

However I was using regular Vallejo Model Color thinned down with their thinner, and it cracked.

I let it dry, and went over it again with the same color but this time thinned with distilled water, and it didn't seem to have the same cracking effect.

Left me to believe that it wasn't actually the paint, but the something in the thinner that reacted with the hairspray. Vallejo air would have some of the thinner it in, which could be why it cracked. I don't recall the brand of hairspray I used.

Fortunately for me, I was doing it on a Japanese Zero...heavily chipped, and the cracking just sort of worked into the chipped paint.

It is possible that it has something to do with the drying of the paint too....as they dry pretty quickly, it might be worth an experiment by adding some Liquitex to the paint to slow the drying down, to see if it keeps it from cracking. Worth a shot anyway.

 
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