At 10:53 PM 2/13/2012, you wrote:
>Good day to all.
>
>Not sure if this is [EE] or [OT] - trying for [EE].
>
>Is anyone aware of an inexpensive sheet material that machines
>easily, can withstand 100C for an hour or so and breaks easily when I
>need to snap these modules out of the form?
>
>I'm considering some form of high-density foam board but don't really
>have any idea of what to look for .

Maybe "Ultra-machinable" polyurethane foam. McMaster carries it, for
example. Price varies greatly with density (0.04/in^2 to 0.12/in^2).

Have you considered re-usable flexible silicone molds?

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the rewar=
d"
speff@interlog.com             Info for manufacturers: http://www.trexon.co=
m
Embedded software/hardware/analog  Info for designers:  http://www.speff.co=
m



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