plastic casting patterns

Date: Thu Aug 23 2001 - 23:27:58 EEST

I'm looking for a plastic that is easily molded and suitable for the shell
casting process (can be heated to it's melting point with minimal thermal

Most shell casting facilities appear hesitant to use styrene due to the
tendency of the material to crack the shell of investment during burn out.

Any help would be greatly appreciated...

Bob Breslauer

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