From: Jon Broome (firstname.lastname@example.org)
Date: Thu Dec 11 2003 - 21:54:17 EET
I'd like to send along a very BIG thank you to all on the list. You've all
helped us solve this silicon molding problem very quickly. Please let me
know if we at Tarleton Bull can return the favor anytime.
Tarleton Bull, Inc.
1939 W. 2nd AVE B5
Eugene, OR 97402
toll Free (877) 566-5541
fax (541) 687-9599
cell (541) 953-7725
----- Original Message -----
From: "Bathsheba Grossman" <email@example.com>
Sent: Wednesday, December 10, 2003 1:44 PM
Subject: Re: Silicon molding help needed
> On Wed, 10 Dec 2003, Jon Broome wrote:
> > We are new to silicon molding and are having trouble with the silicon
> > curing uniformly (and staying gooey) where the silicon contacts the
> > parts. Has anyone solved this? Any assistance or directions to
> > wold be greatly appreciated.
> Well, I'm far from the most knowledgeable person here, but nobody else
> seems to be speaking up...it sounds like the material of your master
> is inhibiting the cure of the mold.
> Your options are pretty much: use a different master material, use a
> different mold material, or put a barrier between them. Probably #1
> is out. For #2, you could try different rubbers. For #3, if
> tolerance is not too tight you could try shellacking the part or
> something like that.
> For more advice, you'd probably have to reveal the material of your
> master model.
> Bathsheba Grossman phone (831)429-8224, fax (831)460-1242
> Sculpting geometry bathsheba.com
> Solidscape prototyping protoshape.com
> Protein crystals crystalprotein.com
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