Cleaning electrical contacts

MudShipper said:
I think what happens is that the grease/vaseline is pushed away at the immediate point of contact and is therefore not a barrier. This will be especially true where an interference fit or push on connector is used -i.e. Lucar, or where the terminal is screwed down.
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Mudshipper, I think you must be right. I can't see any other way the connection would work through what's effectively an insulator.

And thanks to all for your thoughts.
 
MudShipper said:
I think what happens is that the grease/vaseline is pushed away at the immediate point of contact and is therefore not a barrier...
Click to expand...

I think it is more complicated than this, at the molecular level. While such products may allow partial contact, they are not formulated especially for this job as ContraLube 770 is. I have no connection with the company, but have had outstanding results with this product.
 
nigelmercier said:
I think it is more complicated than this, at the molecular level. While such products may allow partial contact, they are not formulated especially for this job as ContraLube 770 is. I have no connection with the company, but have had outstanding results with this product.
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Nigel,
Looks like the business from their description - I shall invest in a tube and (hopefully) never have to remake the bicolour contacts in a seaway again.
 
I think the poster was asking about stuff to clean terminals not protect them.

One of the best things I have used recently was the solder flux paste used by plumbers to clean copper pipe before soldering. Apply it and let it work for a few minutes and wipe it off; the metal comes up like new.
 
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