You could fill the connector with a non-curing silicone grease if you need
to take it on and off a lot. It's often sold as 'valve lubricant'. It will
stick nicely to your contacts and has excellent dielectric properties.

We fill our of our outdoor RF connectors with this. It really helps to keep
the water out.

If you're not removing the plug very often, you could also try a duct sealer
putty type compound.

Regards,

Cam Bremner  -  Canadian Coast Guard Technical Services
"There are 10 kinds of people in the world; those who understand binary and
those who don't."


-----Original Message-----
From: Jinx [mailto:joecolquitt@CLEAR.NET.NZ]
Sent: December 5, 2003 1:06 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: [EE]: Protection against salt corrosion


Has anyone recommendations for a coating for a plug &
socket exposed to marine air and the odd splash that will prevent corrosion
? I'm replacing an existing DIN p&s that's been quite badly eaten away over
just a couple of years and would like this one to last a little longer. I
already have heat shrink tubing and silicone to seal the cable entry points
and solder joints but of course these can't be used on the actual contacts.
Maybe something like CRC / WD40 but how long does that last ?

TIA

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