ASTM D5798-25

Detail information

Designation: ASTM D5798-25

Publication date: 15/06/2025

Pages: 10

Country: American technical standard

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Anotation

This specification covers a fuel blend, nominally 51 to 83 volume % ethanol for use in ground vehicles equipped with ethanol fuel blend flexible-fuel spark-ignition engines. Ethanol fuel blends, also referred to as “Ethanol Flex Fuel” shall conform to the performance requirements prescribed. Ethanol fuel blends shall be visually free of sediment and suspended matter. The vapour pressure, acidity, pHe requirements, gum content, inorganic chloride, water requirements, copper requirements, and sulphur requirements shall be tested to meet the requirements prescribed.


Keywords:
acidity, alcohol, automotive spark-ignition engine fuel, chloride, copper corrosion, E85, ether, ethanol fuel blends for flexible-fuel automotive spark-ignition engines, flexible-fuel, hydrocarbon, hydrocarbon blendstock, inorganic chloride, lead, MTBE, oxidation stability, oxygenates, pHe, phosphorus, solvent washed gum content, sulfur, vapor pressure, volatility, water,, ICS Number Code 75.160.20 (Liquid fuels)