ASTM-D2068 Historical Revision Information
Standard Test Method for Determining Filter Blocking Tendency

ASTM-D2068 - 1991 EDITION - SUPERSEDED
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Standard Test Method for Determining Filter Blocking Tendency
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Scope

1.1 This test method describes a procedure for determining the filter plugging tendency (FPT) of distillate fuel oils where the end use demands an exceptional degree of cleanliness. This test method is applicable to fuels within the viscosity range of 1.50 to 6.00 mm2/s (cSt) at 40°C.

Note 1—ASTM Specification fuels falling within the scope of this test method are Specification D 396 Grade Numbers 1 and 2, Specification D 975 Grades 1-D, low sulfur 1-D, 2-D, and low sulfur 2-D, Specification D 2880 Grades 1-GT and 2-GT and Specification D 3699 kerosine.

1.2 This test method is not applicable to fuels that are not clear and bright because water interferes with the measurement of filter plugging.

1.3 Relative tendency of fuels to plug filters may vary depending on filter porosity and structure, and may not always correlate with results from this test method.

1.4 Annex A1 describes a standard procedure for preparing a test fluid for use in calibrating the apparatus used in this test method.

1.5 &si-value;

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

filterability; distillate fuels; gas oils; filterability; fuel cleanliness

To find similar documents by ASTM Volume:

05.01 (Petroleum Products and Lubricants (I): D56 - D3710)

To find similar documents by classification:

75.160.20 (Liquid fuels Including gasoline, diesel, kerosene, etc.)

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Document Number

ASTM-D2068-91

Revision Level

1991 EDITION

Status

Superseded

Modification Type

Reapproval

Publication Date

May 15, 1991

Document Type

Test Method

Page Count

5 pages

Committee Number

D02.14