Homebrew PCBs

In article <20031203080535.74060.qmail@...>,
   mpdickens <md30022@...> wrote:


> Epoxy is the strongest and most flexible of the two
> (And also real expensive because you need an
> autoclave).


OK, now, the Epoxy I normally use, trade name Araldite, is two part and
the warning on the side of one of the tubes, which I am holding at the
moment says (next to the "irritant warning cross) "contains reaction
product Bisphenol A-Epichlorohydrin Epoxy Resin (number average molecular
weight <700). 

It sets fully in around 24hrs at normal room temperature though setting
can be speeded up by heating. No autoclave.

Polyester resins, often used as fillers in car body repairs have a very
distinct smell and Araldite smells nothing like them.

Please explain.

Stuart.

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101 uses for a Pentium: No2 - A greenhouse heater.