Formulated with 45% PTFE for maximum effectiveness, MareLube TEF 45 is a highly versatile, premium, pure synthetic, dielectric, all-purpose grease. Use it to protect, lubricate, stop corrosion, and prevent seizing and galling of parts. Because it won’t wash away in freshwater, saltwater or when exposed to detergents, it works well as a high-load lubricant for deck hardware and other metal parts. Other applications include use as an anti-seize for screws, bolts and nuts, protection of electrical connections and more. 6cc syringe.