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ASTM International - ASTM D4055-04(2019)

Standard Test Method for Pentane Insolubles by Membrane Filtration

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Organization: ASTM International
Publication Date: 1 January 2019
Status: active
Page Count: 3
ICS Code (Lubricants, industrial oils and related products): 75.100
significance And Use:

5.1 Pentane insolubles above 0.8 μm in size may lead to increased wear. This increased wear can lead to premature equipment failure in critical applications.

scope:

1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils.

Note 1: Pentane insolubles with particle sizes less than 0.8 μm may be studied with appropriate size membrane filters. Particle sizes above or below 0.8 μm can be studied. The precision of this test method has been determined only at 0.8 μm.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 7.1, 8.2.1, and Annex A1.

1.4 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.

Document History

ASTM D4055-04(2019)
January 1, 2019
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1: Pentane insolubles with particle sizes less than 0.8 μm...
October 1, 2013
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1—Pentane insolubles with particle sizes less than 0.8 μm...
April 15, 2009
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1—Pentane insolubles with particle sizes less than 0.8 μm may...
May 1, 2004
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1—Pentane insolubles with particle sizes less than 0.8 μm may...
December 10, 2002
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1—Pentane insolubles with particle sizes less than 0.8 μm...
November 10, 2001
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1—Pentane insolubles with particle sizes less than 0.8 μm...
November 10, 2001
Standard Test Method for Pentane Insolubles by Membrane Filtration
1.1 This test method covers the determination of pentane insolubles for particles exceeding 0.8 μm in new and used lubricating oils. Note 1—Pentane insolubles with particle sizes less than 0.8 μm...
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