It's time to do something about that grungy looking airplane! When you want to clean up your act, Zep Inc. can help. They're a leading manufacturer of high performance cleaning and maintenance products for many different industries. We have their NAV-II aircraft exterior cleaner and degreaser, and their heavy duty aircraft cleaner II. The NAV-II is an exterior solution that can be used on any aircraft surface. Their heavy duty aircraft cleaner II is concentrated and contains soap, surfactants, alkaline builders and water-soluble solvent. It's biodegradable and can be used on acrylics, aircraft windows and other airport vehicles. It's safe for both painted and unpainted surfaces. Both products conform to military specifications. For important Material Safety Data Sheet (MSDS) information, see the product detail pages. SkyGeek.com is your one stop shopping source for all your aircraft maintenance and building needs, from cleaning supplies to tools and parts to ground crew equipment and pilot accessories. We have the best products from the leaders in aerospace manufacturing. We also have an ace customer support team standing by to assist you.