"Boeshield T-9 is a heavy-duty, rust and corrosion preventive developed by The Boeing Company for lubrication and protection of aircraft components. Specially formulated combination of solvents, waxes and lubricants coats and protects smooth and porous metals from rust and corrosion. Displaces moisture and lubricates at the same time. Dries to a thin, waxy film that will not harm paints, plastics and vinyls. Not easily removed once dried; requires mineral spirits or degreaser. For firearms applications requiring better than average protection against moisture indoors and outdoors. Good choice for long-term exposure to salt-air environments, areas with high humidity or extreme wetness. Available in 4 oz. and 1 gal. containers, 4 oz. and 12 oz. spray aerosol cans."