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cocky05d

Hairspray .

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cocky05d    332

Hi ,tried the hairspray thingy on a 1.35 Tamiya T62 ,after i was happy with the rust effects ,gave it a coat of klear .

Then i sprayed a coat of the big yellow giants Xtracrylix Russian Green ,then i left it for a few days .

Tried to remove the paint using water and a brush ,didn't want to know ,so i put some Tamiya Acrylic thinners on it ,and things started to happen.

Don't know if that is the right way to do it ,but it caused some of the paint to peel off like real paint does ,i am happy with the effect .

Will post some photos later.

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Ade H    89

If you leave acrylic resin for several days, it will cure. Rather than allowing the water to pass through the pigment to reach the chipping medium (e.g. hairspray), the resin becomes quite waterproof. As you found, it then takes alcohol to really shift it and what that almost certainly did in your experiment was break down the paint, just as does when you might use it to strip acrylic resins (although it's not 100% effective at that). I have not used Xtracrylic, but all of my comments are based on my own experience and Vallejo's advice. Check some videos on Youtube, such as Mike Rinaldi's and Mig Jimenez's full length demos, to see how soon you can start working on acrylics over a chipping medium.

Edited by Ade H

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Ive done it as a test on an old king tiger. Sprayed two liberal coats. I waited 30 minutes then sprayed the white. I waited about 10-15 minutes and scrubbed with an old toothbrush. I got very promising results. Like Ade said if you let the paint cure it wont work. You need to do it pretty quick after you spray. 

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rayprit    278

Try this step by step video:

 

 

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Ade H    89

I like ScaleModelMedic's videos: they are not sophisticated but they are good primers* which is what they are meant to be. That one was among the first that I watched about this technique.

 

He's wrong about at least one important point, though, when the text pops up to say that it only works with acrylic. You can chip through an overcoat of other types of paint, not just acrylic resins. Not only is it possible, but it can be more convincing because you're not fighting against the properties of the resin medium. I have not tried any lacquers because I won't use them, but I'm told that MRP chips very well. That wouldn't surprise me from a chemistry point of view. Enamel effects products such as dust and engine grime work beautifully over a chipping medium, and I've just started to use them for this technique.

 

(*Yes, the pun was deliberate!)

Edited by Ade H

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cocky05d    332

Hi ,here are some photos ,not very clear but in some of them you can make how how the paint has started to blister and peel ,just like real rust under paint.7Df7gI6.jpgFL5Jqer.jpgk7qglmz.jpgyfX6iBO.jpgG7ZSPkN.jpgB4WzhkM.jpgQQz41lr.jpg

I am pleased with the result ,not bad for a first attempt.

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