ASTM-D4055 Historical Revision Information
Standard Test Method for Pentane Insolubles by Membrane Filtration

ASTM-D4055 - 2004 R13 EDITION - SUPERSEDED
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Standard Test Method for Pentane Insolubles by Membrane Filtration
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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 1Pentane 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 and health practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 7.1, 8.2.1, and Annex A1.

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.

Keywords

lubricating oils; membrane filtration; pentane insolubles; ICS Number Code 75.100 (Lubricants, industrial oils and related products)

To find similar documents by ASTM Volume:

05.02 (Petroleum Products and Lubricants (II): D3711 - D6122)

To find similar documents by classification:

75.100 (Lubricants, industrial oils and related products Including mineral oils, fluids for metal working and for temporary protection against corrosion Lubrication systems, see 21.260 Insulating oils, see 29.035.40)

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Document Number

ASTM-D4055-04(2013)

Revision Level

2004 R13 EDITION

Status

Superseded

Modification Type

Reapproval

Publication Date

Nov. 1, 2013

Document Type

Test Method

Page Count

3 pages

Committee Number

D02.06