Boeshield T-9 Rust & Corrosion Protectant and Lubricant. Developed by The Boeing Company for lubrication and protection of aircraft components. It is a combination of solvents, lubricants, and waxes designed for penetration, moisture displacement, lubrication and protection. Flushes out old lubricants and dries to a thin waxy film that clings to metal for months. Will also loosen rusty and corroded parts. Works directly on exposed metal surfaces. Safe on metals, paints, plastics, rubber, fiberglass and vinyl. Waterproof and can withstand saltwater exposure. Non-conductive and will work on battery terminals. 4 oz aerosol.