We have switched to this CRC product for use as a contact cleaner and protectant vs using dielectric grease.

I'm guessing sales of dielectric grease have plummeted since AgTalk came on line years ago.

Here's link to the CRC aerosol product which both cleans terminals & leaves a fine protective coating. To me, it feels like it leaves a silicone coating. Anyway, it works here.

Here's link to the CRC product available through many sources.

CRC Contact Cleaner and Protectant, 10 Wt Oz, Cleans Away Contaminants, Inhibits Corrosion by Leaving a Fine, Microscopic Film, Aerosol Spray