​Excellent antiwear properties ensuring protection of machine parts. Exceptional oxidation and thermal stability : greater service oil life and lengthening of oil change intervals. Excellent filterability with or without presence of water. Remarkable resistance to hydrolysis and good demulsification properties. Good antirust and anticorrosion properties for optimal protection of circuit components. Reacts very well to air : rapid air release and low foaming tendency. AZOLLA AF does not contain heavy metals or zinc to avoid contributing to their accumulation in the environment.