Lost core

From: reza moini (rmoini190@yahoo.com)
Date: Mon Feb 24 2003 - 10:04:22 EET

Dear List
I want to produce 10 prototype of a duct that its
material is rubber-like.I have built its silicon mold.
also I have built a mold for its core by SLS machine
(from PA).I want to use PU foams to produce cores.Do
you know any foams that is a good choice for me?It
must be easily removed from part.
Do you have any alternates or suggestions or comments.

Thanks in Advance


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