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ASTM D 2440 : 2013 : R2021

Current
Current

The latest, up-to-date edition.

Standard Test Method for Oxidation Stability of Mineral Insulating Oil
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

19-11-2021

1.1This test method determines the resistance of mineral transformer oils to oxidation under prescribed accelerated aging conditions. Oxidation stability is measured by the propensity of oils to form sludge and acid products during oxidation. This test method is applicable to new oils, both uninhibited and inhibited, but is not well defined for used or reclaimed oils.

Note 1:A shorter duration oxidation test for evaluation of inhibited oils is available in Test Method D2112.

Note 2:For those interested in the measurement of volatile acidity, reference is made to IEC Method 61125. 2

1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 27
DocumentType
Test Method
Pages
5
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 3487 : 2016 : EDT 1 Standard Specification for Mineral Insulating Oil Used in Electrical Apparatus
ASTM D 117 : 2018 Standard Guide for Sampling, Test Methods, and Specifications for Electrical Insulating Liquids
ASTM D 5222 : 2016 Standard Specification for High Fire-Point Mineral Electrical Insulating Oils

ASTM D 974 : 2014 : EDT 2 Standard Test Method for Acid and Base Number by Color-Indicator Titration
ASTM D 664 : 2017 : REV A Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
ASTM D 974 : 2022 Standard Test Method for Acid and Base Number by Color-Indicator Titration
ASTM D 2112 : 2015 Standard Test Method for Oxidation Stability of Inhibited Mineral Insulating Oil by Pressure Vessel
ASTM D 974 : 2021 Standard Test Method for Acid and Base Number by Color-Indicator Titration
ASTM D 2272 : 2014 : REV A Standard Test Method for Oxidation Stability of Steam Turbine Oils by Rotating Pressure Vessel
ASTM D 664 : 2011 : REV A Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration
ASTM D 2272 : 2022 Standard Test Method for Oxidation Stability of Steam Turbine Oils by Rotating Pressure Vessel
ASTM D 2112 : 2015 : R2023 Standard Test Method for Oxidation Stability of Inhibited Mineral Insulating Oil by Pressure Vessel

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