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ASTM D1742-24

Current Revision

Standard Test Method for Oil Separation from Lubricating Grease During Storage

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1.1 This test method covers the determination of the tendency of a lubricating grease to separate oil during storage in both normally filled and partially filled containers.

1.2 This test method is not suitable for greases softer than NLGI No. 1 grade.

Note 1: All dimensions are in millimeters (inches).

Note 2: Tolerances are ±0.51 mm (0.02 in.) for 2 place decimals, unless otherwise specified.

Note 3: Tolerances are ±0.127 mm (0.005 in.) for 3 place decimals, unless otherwise specified.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific hazard statement, see 7.1.

1.5 This 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.


5.1 When a lubricating grease separates oil, the remaining composition increases in consistency. This can affect the ability of the product to function as designed.

5.2 It has been found that the results of this test correlate directly with the oil separation that occurs in 35 lb pails of grease during storage.

5.3 This test method is not intended to predict oil separation tendencies of the grease under dynamic conditions.

SDO ASTM: ASTM International
Document Number D1742
Publication Date Nov. 1, 2024
Language en - English
Page Count 6
Revision Level 24
Supercedes
Committee D02.G0.03
Publish Date Document Id Type View
Nov. 1, 2024 D1742-24 Revision
May 1, 2020 D1742-20 Revision
April 1, 2018 D1742-18 Revision
May 1, 2006 D1742-06 Revision
June 10, 2000 D1742-94R00E01 Revision
Dec. 1, 2013 D1742-06R13 Reaffirmation