File puptcrit/puptcrit.0509, message 370

Subject: Re: [Puptcrit] Foam temp cure
Date: Tue, 27 Sep 2005 14:51:44 -0700

I'm not familiar with silicone molds, are they made the same as plaster
ones?  Would using ultracal 30 or other gypsum based material for the
molds be a waste since the molds won't need to be heat resistance?  I
guess what I'm saying is, I'm probably going to buy some cold 2 part
urethane foam for hand puppet experimentation purposes, so what is the
cheapest mold material I can get easily get that will not require
acrobatics to use?  Also, density suggestions good for hand puppets in
particular would be very appreciated.

Thanks guys!!

On Wed, 2005-09-28 at 07:43 +1000, Kismet wrote:
> Im not familiar with FlexFoam but I have been an advocate of urethane foams 
> for a number of years. They can be treated in exactly the sane way as any 
> latex foam and come in a far greater range of shore hardnesses and density. 
> (You can make your puppet heads with the hardness of a modern cars bumper 
> bar or the softness of a baby's proverbial). It can also be self skinning or 
> not.
> Two problems I have encountered is A) Urethane intolerance in the end 
> user.....about the same as latex intolerance, I provide soft white cotton 
> gloves in either case and
> B) Urethane sticks (and boy does it stick) to plaster molds....three 
> solutions, I skin the plaster mold with latex,  I spray the mold (when using 
> a plaster mold) with a release agent or I use a silicon mold.
> After years of pampering GM Latex foam it is a real joy to be able to just 
> say "hey! I'll slap some foam in this and see how it goes"
> Im also not familiar with alumilite but for hard shell heads I use 
> "Easycast" a 30 second slush cast polymer. I can run 3 5" heads in silicon 
> molds at a time by myself and demold in 30 minutes, 4 "layers" being enough 
> to produce a good solid shell. I usually lay the molds over to allow any 
> residual to puddle in any delicate areas, noses, chins etc.
> Daniel "I only said all this because I love the sound of my own voice"
> ----- Original Message ----- 
> From: "Paul Gnuyen" <>
> To: <>
> Sent: Wednesday, September 28, 2005 6:42 AM
> Subject: RE: [Puptcrit] Foam temp cure
> > I'm sorry, what's the difference between Latex and Urethane?
> > FlexFoam-iT! Series Flexible Urethane Foam looks really easy to use an
> > good alternative to the methods I was reading about, but are they good
> > for puppets?  Can it be flocked?  What density is good for puppetry?
> >
> > Thanks guys!
> >
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