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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.
Note 1: No data have been developed to compare results between this test method and Test Method .
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 is suitable for use with most all greases, but the test precision was established using greases having a worked penetration (Test Methods ) greater than 220 (NLGI No. 3 grade) and less than 340 (NLGI No. 1 grade).
1.3 The values stated in SI units are to be regarded as standard. The term 60 mesh was originally described in the now withdrawn standard. It is used to describe the wire mesh because 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.
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 StandardFederalTestMethod(FT Oil Separation from Lubricating Greases (Static Method) Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
UNSPSC Code 15121902(Grease)
ASTM D6184-14, Standard Test Method for Oil Separation from Lubricating Grease (Conical Sieve Method), ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top