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ASTM D4425-2009 Standard Test Method for Oil Separation From Lubricating Grease by Centrifuging (Koppers Method)

Standard Number:  ASTM D4425-2009
Title:  Standard Test Method for Oil Separation From Lubricating Grease by Centrifuging (Koppers Method)
Language:  English
Replaced by Standard:  ASTM D4425-09(2014)

Execute Date:  2009/4/15
Status:  Withdrawn
CCS Classification for Standardsoil>>Petroleum products>>grease
Publisher:  American Society for Testing Material (ASTM)
Price:  
Number of Pages:4P.;A4   

Description:

This test method is useful in evaluating the degree to which a grease would separate into fluid and solid components when subjected to high centrifugal forces. Flexible shaft couplings, universal joints, and rolling element thrust bearings are examples of machinery which subject lubricating greases to large and prolonged centrifugal forces. This test method has been found to give results that correlate well with results from actual service. The test method may be run at other conditions with agreement between parties but the precision noted in this test method will no longer apply.

1.1 This test method covers a procedure for determining the tendency of lubricating grease to separate oil when subjected to high centrifugal forces.

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

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.  

Cross References:ASTM D217  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  751KB
Tile in English:  Standard Test Method for Oil Separation From Lubricating Grease by Centrifuging (Koppers Method)

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