File puptcrit/puptcrit.0509, message 360

Date: Tue, 27 Sep 2005 08:40:02 -0700 (PDT)
Subject: Re: [Puptcrit] Neoprene vs others et al

Let me get this straight Phil, you think we like to
hear ourselves talk, but you want our help? Do you
actually have friends?

I haven't used the tester of Alumilite that I bought,
but here is what I do know. Neoprene casting, like
Latex casting, works through absorption. They are
poured into a porous molds (Plaster, or other gypsum
cement), and the water from the liquid is absorbed
into the walls of the mold. The liquid then forms a
skin on the inside of the mold. After a period of
time, one pours the excess out of the mold, leaving a
hollow casting.

Alumilite does not work by absorption, it is a resin,
and will catalyze (chemically cure, not air dry) as a
solid mass. That is generally too heavy for
puppeteer's uses. Two ways to get around this are to
build a core mold, which can be very tricky to remove,
or to spin your mold so that centrifugal  keeps the
material on the skin of the mold, leaving a hollow

Greg Ballora

--- "Arnold, Phil" <> wrote:

> Hi:
> I've been lurking for 2 or 3 days: my, don't people
> on this list love to
> see themselves talk?
> Already I digress, has anyone used Alumilte
> products?  I have not but
> I've seen a demonstration and I have purchased the
> instructional video
> and it looks easy, clean but not inexpensive (but
> I've never used
> Neoprene os I have not point of comparison.
> Phil Arnold
> _______________________________________________
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