New DEFSTAN 91-091
Veronique Theberge • January 9, 2019
AVIATION FUELS: Testing to the new issue of DEFSTAN 91-091
What are the changes?
·Allowing "less than" reporting for freeze point below than -65 degree C
·FAME <50 mg/l and DRA (72ug/l 'undetectable') limits included as part of Product Integrity Management
·Inclusion of HiTec 4547 AvGuard SDA as an approved additive
·Added ASTM D7945 for viscosity measurement
·Inclusion of ASTM D7566 (additional requirements applicable to jet fuels containing synthetic fuel components)
·Added an Incidental Materials table similar to ASTM D1655
·Referencing EI/JIG for product quality management up-stream of airport.
