File puptcrit/puptcrit.0509, message 377


To: <puptcrit-driftline.org-AT-lists.driftline.org>
Subject: Re: [Puptcrit] Foam Latex...room temp cure
Date: Wed, 28 Sep 2005 12:24:16 +1000


If your going to go with experimentation Id get some #1potting plaster, a 
tub of latex and a 2 part non skinning foaming urethane kit. Make the mold, 
slush cast a skin of latex and back it up with the foam. Most of my puppets 
for kids use are made in this manner and are robust, harmless (if some one 
whacks some one with it) and with a bit of design thought can be manipulated 
for wonderful expressions. you can pre tint the latex to make painting 
easier.
I dont have the chemicals with me but we add about 2.5-5% more part B than 
recommended for a great consistency...remember BLEND well BEFORE pouring or 
you end up with big rock hard clumps!
Great stuff!

Daniel


----- Original Message ----- 
From: "Paul Gnuyen" <gnuyen-AT-gnuyen.org>
To: <puptcrit-driftline.org-AT-lists.driftline.org>
Sent: Wednesday, September 28, 2005 7:51 AM
Subject: Re: [Puptcrit] Foam Latex...room temp cure


> 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" <gnuyen-AT-gnuyen.org>
>> To: <puptcrit-driftline.org-AT-lists.driftline.org>
>> Sent: Wednesday, September 28, 2005 6:42 AM
>> Subject: RE: [Puptcrit] Foam Latex...room 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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>>
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