What can i use to prevent corrosion / rust? Super Lube Anti-Corrosion Gel can be used as a dielectric and corrosion inhibitor for screws, plugs, connectors, electrical terminals, electrical fittings, spark plugs and coil connectors. This is especially important in coastal areas and when installation is outdoors. Excellent film strength provides long life protection against corrosion, rust and fretting wear of contacts. This product should not be used as a lubricant.