ASTM-D7577 › Standard Test Method for Determining the Accelerated Iron Corrosion Rating of Denatured Fuel Ethanol and Ethanol Fuel Blends
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1.1 This test method measures the ability of inhibited and uninhibited Ethanol Fuel Blends defined by Specification and Denatured Fuel Ethanol defined by Specification to resist corrosion of iron should water become mixed with the fuel, using an accelerated laboratory test method. Corrosion ratings are reported based on a visual, numbered rating scale.
1.2 The values stated in SI units are to be regarded as standard. The values in parentheses are for information only.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Sections and .
Significance and Use
5.1 This test is designed to be used as a rapid measure of the overall relative corrosivity of Ethanol Fuel Blends (Specification ) and Denatured Fuel Ethanol (Specification ) to iron (steel).
5.2 The test can be used to compare corrosion inhibitor dosage levels and effectiveness of various corrosion inhibitors as they pertain to protecting iron (steel) materials from corrosion.
corrosion; ethanol; steel;; ICS Number Code 71.080.60 (Alcohols. Ethers); 75.160.20 (Liquid fuels)
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2012 R16 EDITION
Jan. 1, 2016