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Significance and Use
5.1 When lubricating grease separates oil, the residual material may change in consistency, which can affect the ability of the product to function as designed. Test results obtained with this procedure are not intended to predict oil separation tendencies of grease under dynamic service conditions.
5.2 This test method is used for specifications and quality control.
1.1 This test method covers the determination of the tendency of lubricating grease to separate oil at an elevated temperature. This test method shall be conducted at 100 °C for 30 h unless other conditions are required by the grease specification.
1.2 This test method can be used on any grease with a worked penetration (Test Methods ) greater than 220 mm/10 (NLGI Consistency Number 3 or softer). However, no precision data exists for greases with a penetration greater than 340 mm/10 (softer than NLGI Consistency Number 1).
1.3 The values stated in SI units are to be regarded as standard. The term 60 mesh is used to describe the wire mesh used. This unit was described in the withdrawn standard and there is no exact metric equivalent.
1.4 This standard does not purport to address all the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety practices and determine the applicability of regulatory limitations prior to use.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D217 Test Methods for Cone Penetration of Lubricating Grease
D1742 Test Method for Oil Separation from Lubricating Grease During Storage
E437 Specification for Industrial Wire Cloth and Screens (Square Opening Series) (Discontinued 2000) Replaced by E 2016
Government Standard (Withdrawn)FED-STD-791C Lubricants, Liquid Fuels, and Related Products; Methods of Testing, Method 321.3 Oil Separation from Lubricating Greases (Static Technique), Withdrawn November 2007 Available online at ASSIST Quick Search (http://quicksearch.dla.mil).
ICS Number Code 75.100 (Lubricants, industrial oils and related products)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D6184-17, Standard Test Method for Oil Separation from Lubricating Grease (Conical Sieve Method), ASTM International, West Conshohocken, PA, 2017, www.astm.orgBack to Top