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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 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 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

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; Filters/filter procedures--petroleum analysis; Insoluble matter content--petroleum products; Lubricating oils; Pentane-insolubles content; 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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