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Re: galvanic reaction
a cheap and quick preventive action to the Galvanic Reaction is to coat the
electronics or exposed parts with candle wax. just burn the candle and let
the wax drip onto the parts.
I've seen some manufacturers use the trick to "so call" waterproof there
products.
RTS
"John O" <johno@#no^spam&heathkit.com> wrote in message
news:ZIb3e.28016$hU7.6292@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >I've been mucking about with building electronic stuff since
> >I was old enough to hold a soldering iron..probably 40+ years
> >and I've never seen a resistor corrode. However, we may have
> >to consult with our resident guru, Paulie, maybe he has discovered
> >GCR too.
>
>
> I have never, ever seen a resistor lead corrode without some serious
outside
> influence, such as a nearby leaking battery, salt water, or some such. We
> have some 50+ year old Heathkits up in the loft...and I bet we wouldn't
see
> any corroded leads in there.
>
> I saw some extensive life testing of such things at Zenith, and the only
> thing that wrecked proper solder connections (and the resistors
themselves,
> obviously) was excess heat. We did see that white powdery stuff, and one
of
> those engineers could probably explain what it is, but I recall it
happened
> as a result of some time in a humidity test chamber. IIRC it was left
behind
> by the moisture that condensed and then evaporated.
>
> -John O
>
>
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