sticky spray paint

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R^T

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Got a dilema.

I have been making models out of modeling clay (for uni project)

And I have been spraying them with spray paint. but after it dries it still has a stciky feel to it.

I have tried putting a base coat of white primer on before spraying but it dosn't work.

Any Ideas please?

Thanks Luke
 
no not plastercise. It's proper modeling clay. When your done you pop it in the oven and it sets.
 
I should think it's still to do with it not being properly hard and smooth. How detailed are these models, could you give them a rub down to smooth them off first? That would probably help a lot.

Also I'd leave them somewhere very dry for a few days after cooking them to completely dry them out, and when spraying them use lots of very very very fine coats, almost dust coats, drying with a hairdryer inbetween.

Further than that I've no idea, really.

Oh also, I don't know what's in the clay you're using, but if it's Cellulose spray paint you're using it might not like that much. Try acrylic paint out of a cheap airbrush perhaps, would no doubt be much more suited to painting on that sort of material. I think Games workshop make black and white acrylic primer sprays out of cans, if you want to try it.

Try and get hold of Skii, I bet he'll know more than most people on here :)
 
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I don't know much about modeling clay but if it's clay should you be using a glaze? Something like a pour on glaze sounds like it'll suit you best. If you can't find the colour you want use a clear glaze first then use acrylics after it's come out of the kiln.
 
Hi chaps

My recomendation would be to prime the surface prior to painting as Mohinder suggests, a really good primer to use is the spray type sold in Halfords - you can buy it in white and grey, and it is dry to the touch in minutes - plus being acrylic and not solvent based it it far less likely to react with a solvent based paint.

What kind of paint are you using? again look to use something acrylic as it dries quickly and it it is much cleaner and easier to work with. The suggestion of a glaze is good, look for a product that we use in scale modelling a lot called Johnson's KLEAR floor varnish, you can brush or spray it on to form a lovely even protective coat and again, it dries very quickly - available in just about every supermarket, and as a final tip, give plenty of time between coats.

You can use Klear as a primer or a glaze, many many uses.

http://www.swannysmodels.com/TheCompleteFuture.html

hope that helps

john
 
I'm curious what type of paint you are using and how long you are leaving it to dry?

Glaze is the best way to finish clay models, from memory you sculpt the model, paint it (I used poster paints I think), cover in glaze and then bake. The glaze will seal the paint in and provide a hardwearing finish.

If in doubt try a local art shop for advice
 
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