Aluminum castings in vulcanized rubber

From: Denis Cormier (
Date: Wed May 01 2002 - 13:24:29 EEST

Dear list,
I recently received e-mail from a designer who has been in contact
with a foundry that says it will cast relatively large aluminum parts
into a new type of high temperature vulcanized rubber. He wanted to
know if I knew anything about it. I've been casting zinc into high
temperature vulcanized rubber molds, but my experience has been that
relatively thick sections of zinc will quickly degrade the mold. I
wouldn't attempt something like a 356 aluminum with the rubber I've
Is anyone out there familiar with a vulcanized rubber that can take
Denis Cormier
Dept. of Industrial Engineering
North Carolina State University

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