This unique wool-wax base formulation (lanolin) of Fluid Film provides long term protection for all metals and tack-free lubrication for moving parts It stops existing corrosion on contact, penetrates to free-up heavily seized parts It will not harm paint, plastic and synthetic rubbers It can be applied over tightly adhering rust, dry or damp metal surfaces and painted surfaces It can be applied by brush, roller, or pressurized spray Made in U.S.A.