At 07:00 AM 6/19/2011, you wrote:
>It has been a while since I have done something like this.
>
>There used to me a metal compound that we use that had a
>low melting point. We used to cast it around parts that were
>delicate and then machine keeping everything cool.

Wood's Metal is what used to be used. There are safer alloys (Wood's
Metal contains cadmium) such as Cerrosafe available. Gunsmiths use the latt=
er.

http://www.brownells.com/.aspx/pid=3D384/product/CERROSAFE_reg__CHAMBER_CAS=
TING_ALLOY

>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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