ASTM D2068-97

Standard Test Method for Filter Blocking Tendency of Distillate Fuel Oils

STANDARD published on 1.1.1991

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The information about the standard:

Designation standards: ASTM D2068-97
Note: WITHDRAWN
Publication date standards: 1.1.1991
SKU: NS-19202
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D2068-97 :

Keywords:

filterability, distillate fuels, gas oils, filterability, fuel cleanliness, ICS Number Code 75.160.20 (Liquid fuels)

Additional information

1. Scope

1.1 This test method describes a procedure for determining the filter blocking tendency (FBT) 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 D396 Grade Numbers 1 and 2, Specification D975 Grades 1-D and 2-D, and Specification D2880 Grades 1-GT and 2-GT.

1.2 This test method is thus not applicable to fuels that are found to contain undissolved water, because such water interferes with the measurement of filter blockage (see 9.3).

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

1.4 The values stated in acceptable SI units shall be considered standard.

1.5 This standard does not purport to address all of the safety problems 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.> Specific precautionary statements are given in Notes 2 and 3.

2. Referenced Documents

D975-26c	Standard Specification for Diesel Fuel (Includes all amendments and changes 7/20/2026).
D2880-23	Standard Specification for Gas Turbine Fuel Oils
D4057-22	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
D4176-22e1	Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures) (Includes all amendments and changes 6/30/2025).
D4177-22e1	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (Includes all amendments and changes 3/24/2023).
D6426-22	Standard Test Method for Determining Filterability of Middle Distillate Fuel Oils
	CompTM, Standard Practice for Statistical Assessment and Improvement of the Expected Agreement between Two Test Methods that Purport to Measure the Same Property of a Material
D6708-24	Standard Practice for Statistical Assessment and Improvement of Expected Agreement Between Two Test Methods that Purport to Measure the Same Property of a Material
D6751-24	Standard Specification for Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels
D6300-26	Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants
ISO 5636-5	Paper and Board--Determination of Air Permeance and Air Resistance (Medium Range) Part 5 Gurley Method
D396-26a	Standard Specification for Fuel Oils (Includes all amendments and changes 4/14/2026).
	D2PP, Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products This adjunct has been withdrawn and is no longer available.
D4860-22	Standard Test Method for Free Water and Particulate Contamination in Middle Distillate Fuels (Clear and Bright Numerical Rating)

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