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Had a thought pop into my head at work the other day, black nitrile rubber dust from sanding down cores to moulds could possibly become tarmac? 

 

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It's a black squishy powder that can be manipulated and sort of sculpted. It's already been vulcanised. 

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Rolled out flat onto a board

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Smeared with pva and black paint

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The surface doesn't look to bad, like a cracked hastily built and now neglected airstrip. Have to tone down the white. 

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Popped the gloster meteor on there just to see how it looks

 

Don't know if to persue this further. Build some ground crew etc. It was just a test really to see if the nitrile rubber dust worked. I think I could have smoothed it out a bit better and not so cracked. Although the road outside my house looks worse than this. 

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Well, as you say, I've seen roads that look worse than that! It does look like tarmac, but I think it would suit larger scales of 1/35th upwards. If you could get much finer dust and scatter that over PVA or wet plaster, that might be better for the smaller scales.

 

Rearguards,

Badder

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Ideal to depict a UK road at this moment in time 😀

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Maybe lay some waxed paper over it and try to roll it out flat?

 

Colour and texture look interesting...

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15 hours ago, Tzulscha said:

Maybe lay some waxed paper over it and try to roll it out flat?

 

Colour and texture look interesting...

I think next time I'll warm it up a little, and not squish it out on the shed work bench, which has sawdust and bits of tobacco on it 😕

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As fine sandpaper painted usually passes for tarmac, I wonder if You could press it under some coarse sandpaper to get that textured effect? Or would it just stick to the sandpaper?

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Tile grout also makes good tarmac and concrete.

 

 

;)

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