Permatex 10-1/4 oz. Silicone Spray. It helps stop sticking, rust, and corrosion. It lubricates and waterproofs all types of mechanical equipment, stops friction and squeaks, prevents locks, doors and windows from binding. It has a high silicone formula that does not attract dust or dirt. It protects and renews rubber mountings, bushings and weather stripping, prevents binding, sticking and deterioration. It is non-gumming and will not mar paint, rubber or plastic surfaces. It is waterproof. It is for precision instruments, vending machines, motors, dies, controls, electronic equipment, industrial machinery, rolling and sliding mechanisms, hinges, windows, doors, locks, linkages, springs.