[Milsurplus] contact cleaners

[aGEnuine Ham]

Brooke:

This subject has been thrashed out endlessly on the antique radios
newsgroup.  The consensus is:  Use Caig products.  Their Deoxit D5 is the
most useful general cleaner, and then Pro Gold for treatment after
cleaning.  The D5 cleans, the Pro Gold leaves a film which enhances
contact continuity.  If you have only limited use, then the spray cans
are relatively expensive, but easy to use.  If you do a lot of old
switches and controls, then get the larger bottles, which provide a lot
more product per dollar.  

Remember, though, that there are all kinds of metals used in these
radios, and all kinds of chemical exposure, so some contacts may require
a real effort to clean.  Some of the corrosion products don't seem to
want to yield to anything short of hydrochloric acid.  Then, they usually
need replating, so that is a dead end approach.

73,
George
W5VPQ

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