Fast Cast??? Is it good?? Or polyurethane?

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Splerh
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Fast Cast??? Is it good?? Or polyurethane?

Post by Splerh » Thu Jul 24, 2008 12:23 am

I am having 10 moulds made of my toy for my uni project and I have the option of,

polyurethane

or

fast cast

which is more like vinyl?? I am confused, I am told fast cast will be lighter but I am not sure which will be best.

Can anyone advise me?

Thanks

Stu
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Kill!
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Post by Kill! » Thu Jul 24, 2008 7:57 am

neither one is anything like vinyl. both are solid super hard plastic
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Splerh
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Post by Splerh » Thu Jul 24, 2008 8:00 am

is it suitable to make a toy from?

are there others which are made from this?
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zOobOy
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Fast or poly...

Post by zOobOy » Sun Jul 27, 2008 5:31 am

Most people use 2 part polyurethanes, and there are quite a selection. I use Smooth Ons Smoothcast 321, 305, and 326....and the Crystal clear. Polys take quite a beating. .....BUT, to get a bubble free casting you need a pressure pot. This forces the bubbles so small that you can't see them.


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[ Added: Sun Jul 27, 2008 5:32 am ]
....and it is true...NOTHING like vinyl.
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