Conductive grease on terminals

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  • #392838

    Does anyone have any experience on using conductive paste (not dielectric insulating grease) on electric terminals? I am installing new wiring and cleaning up the original unusual plug-in terminals between chassis and body wiring which I haven’t found at any restoration supply houses. I think they will clean up fine and are basically a very good design but with a 10 gauge wire coming into some of the connections it is going to have a lot of current. I remember many threads back some discussion on discovering overheated wiring nearly burning cars down.

    Jim

    #411370

    Thanks for responding Bob, it looks like the Deox is primarily for preventing corrosion more than improving conductivity in the connection. I am looking at the following product:

    MG Chemicals Carbon Conductive Assembly Paste

    it claims the following:

    Improves electrical connections between irregular surfaces, loose or vibrating parts and small gaps. Does not separate or bleed at high temperatures. Contains special corrosion inhibiting compounds

    Low Volume Resistivity: 23 ohms·cm

    Volume Conductivity: 0. 04 S/cm

    Surface Resistivity: 271 ohms·cm

    Surface Conductivity: 0. 0037 S/sq.

    Improves Automotive Connections

    #411371

    James,

    We used to use a liquid that was conductive and I’ll try to find out what the name of it is. I know it was very expensive and we billed it by the drops used, I think a 1 fl oz bottle and it was about $70.00. Jim

    #411363

    James,

    The contact enhancer is from Standard Ignition Products called SL-5 in googling it there is something called 22S also, it can be diluted with alcohol to make it seep into connectors and then the alcohol evaporates and leaves the enhancer to work. Check with your auto parts store. Putting it into some connectors it might be easier to get a syringe and needle to insert it. Jim L

    #411381

    Thanks, I’ll check them out. Jim

    #411421

    Well, certainly is a complicated subject, with lots of opinions on the internet. Electrical not my thing. Apparently the DE-OX is a dielectric grease that one would think was an insulator but apparently does not increase resistance in a connection but rather keeps it from corroding, so I am guessing it won’t improve cleaned terminals initially but keep them from deteriorating over time and exposure. It is used on a lot of connections including battery terminals to keep them from oxidizing.

    Many articles saying conductive greases aren’t, that they don’t actually improve connections and can cause corrosion problems if the wrong filler (carbon, silver, zinc) is used. Never the less there seem to be plenty of them out there.

    The Stabilant 22 itself looks like the very amazing magic but expensive bullet.

    It claims it can replicate the connection of a soldered joint, while amazingly not conduct electricity outside. Looks like it is a pretty big deal in the world of computers and audiophiles. I got very confused because the SL-5 was listed as a silicone dielectric grease for protecting spark plug connections but also shows up when searching Stabilant 22. It appears Standard Ignition products sells the SL-5 as a kit including the silicone dielectric and a tiny bottle of Stabilant 22 as well.

    Jim

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