Abstract / scope
Requirements are specified in SAE AS4059A which is adopted as a de facto ISO international Standard. For the purposes of international standardization, the outlined modification shall apply to the specific clause of AS4059A.
ISO 11218:1993Withdrawn
Aerospace — Cleanliness classification for hydraulic fluids
Aéronautique et espace — Classes de propreté des fluides hydrauliques
This edition has been replaced by ISO 11218:2017.