The product used throughout the electrical and electronic industries specifically for all kinds of connections is: "Sanchem Inc
NO-OX-ID A-SPECIAL Electrical Grade A RoHS Compliant coating for electrical installations".
Bell Labs cannot be wrong
.
Easy to apply and remove, withstands the elements. Also used in power gens, radio huts, towers, all connections, coax, heliax, waveguide, ring grounds, etc.
Sanchem has various other products and formulations for other anti-corrosion uses.
This stuff is suitable for almost anything, and keeps working a long time. I've used it for 50 years, on everything from electrics to trailer hitches.
There are also other spray-on products used for circuit pack/board connectors that are effective.
http://www.sanchem.com/electrical-contact-lubricant.html"NO-OX-ID "A-SPECIAL Electrical Grade" is the electrical contact grease of choice for new electrical installations and maintenance. NO-OX-ID electrical contact lubricant (electrical contact grease) is an electrically conductive grease that keeps metals free from rust and corrosion. This electrical contact grease has been used in the power industry for over 65 years to prevent corrosion in electrical connectors from low micro-power electronics to high voltage switchgear."
They even quote a publication that I subscribe to
:
"Practical Sailor Magazine December 2010 (Consumer Reports for Sailboats) tested NO-OX-ID electric grease and terminal grease lubricant on electrical terminal connectors.
They tested the electrical contact grease and electrical terminal lubricant for 1 year in a salt water chamber which is the torture test of wire, crimp connectors and corrosion inhibitors. Their conclusion was that NO-OX-ID electrical grease outperformed all other greases, lubricants and corrosion products tested including Boeshield T-9®. According to the Practical Sailor testing, all sections treated with Boeshield T-9® had completely rusted over.
“There is only one product choice for long term corrosion performance as an electrical grease and terminal lubricant. The electrical grease NO-OX-ID was the only product to provide lasting protection on terminals, the best value in consideration of the small amounts used and the cost of troubleshooting problems. It is worth paying more for a better coating”."
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