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Association of Lifecasters International
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Frank Gorenstein
Joined:
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09-Jul-2004
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Started On : 12-Jul-2007 at 01:00:05 AM, #Views : 6194
Topic Subject : Re: A new topic has been added-Polyurethane molds |
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That's a big mold Diane. Many problems when making a mold that size, namely making a mother mold. Polytek is a good place to start. http://www.polytek.com/
aliforum@lifecasting.org wrote: ------------Silica-Free & Oh So GREEN------->
NEW! MoldGel SILFREE. A revolutionary formula.
Made with all food-grade ingredients. It nourishes
the earth when discarded. 3-to-1 mix ratio yields
twice the volume as those 1-to-1 brands. Delayed
shrinkage for delayed casting - so creamy smooth, too.
To learn more about it click here
---------------------------------------------->
Hello Frank Gorenstein
Post Date : Wednesday 11th of July 2007 11:51:42 PM
Posted by : "Diane Rossong" Diane@lastingimpression.net
Polyurethane molds:--
I was just hoping someone could help me with a rubber mold I am making. I have a perfect pregnancy casting with a perfect arm and hand and want to make a permanent mold of it.
Firstl, I bought this stuff about a year ago and I think the person who sold it to me gave me the wrong stuff, it is for pour over mold in a container, but if you add something to it you can brush it on. well I'm not that patcient to wait until tomorrow and drive 30 min to get it.
So I set up my casting and mixed my first batch, after most of it dripped off, I found that if I let it cure a little it stays where I want it to.
My question is
How thick should I make the rubber mold and can anyone tell me the best way to make the mother mould, I fugure if I make sure all the undercuts are filled I can just make a detachable gypsum mother mold.
Any tips would be very helpfull.
Thanks for your time
Diane
ALI is an international organization whose members are engaged in the art and creative industries. Its purpose is to promote the art of life casting, create public awareness of this unique art form, provide its members with forums to exchange information, resources to enhance their effectiveness and advance opportunities for their artistic success.
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