Scope of ASTM D6468, Dupont F21, Octel F31, IP 467
These test methods ASTM D6468, Dupont F21, Octel F31, and IP 467 cover relative stability of middle distillate fuels under high temperature aging conditions with limited air exposure. These test methods are suitable for all No. 1 and No. 2 grades in specifications for fuel oils, diesel, gas turbine fuel oils and keresine. It is also suitable for similar fuels meeting other specifications.