AeroShell Fluids for piston and turbine engine aircraft are used for special applications on aircraft, aircraft engines, and auxiliary aviation equipment. These Aeroshell products include calibrating fluids, de-icing fluids, avionic cooling fluids, Aeroshell fluids for cleaning, preserving and lubricating. AeroShell preservatives are used for the preservation and protection of aircraft, aircraft engines and aircraft components. Two classes of corrosion preservatives are used on the aircraft, those for protecting engine interiors and those for exterior application.