Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel (Includes all amendments and changes 10/19/2021).
STANDARD published on 1.10.2021
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Designation standards: ASTM D4806-21a
Publication date standards: 1.10.2021
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers nominally anhydrous denatured fuel ethanol intended for blending with unleaded or leaded gasolines for use as a spark-ignition automotive engine fuel. Denatured fuel ethanol shall conform to the specified performance requirements for the following: ethanol content, methanol, solvent-washed gum, water content, denaturant content, inorganic chloride content, copper content, acidity, pHe, sulfur content, sulfate content, appearance, and specific gravity. The only denaturants used for fuel ethanol shall be natural gasoline, gasoline components, or unleaded gasoline at the minimum concentration prescribed. Prohibited denaturants include methanol which does not meet the specified requirement, pyrroles, turpentine, ketones, and tars (high-molecular weight pyrolysis products of fossil or nonfossil vegetable matter). Sampling, containers, and sample handling techniques, and the test methods for determining conformance to the specified requirements are given.
Keywords:
acidity, automotive spark-ignition engine fuel, base gasoline, chloride ion, copper, corrosion inhibitors, denaturants, denatured fuel ethanol, ethanol, fuel, fuel ethanol, gasoline, gasoline-ethanol blend, oxygenate, solvent-washed gum content, sulfate ion, sulfur, water,, ICS Number Code 75.160.20 (Liquid fuels)