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Scope

1.1 This test method covers the determination of average staple length and staple length distribution of both manufactured and natural fibers by manually measuring single fiber lengths. This test method is also used to measure the length of fibers removed from a staple yarn, but such a measurement may not represent the fiber's staple length, as manufactured.

1.2 Because this test method requires measuring the length of only 50 fibers, it is not suitable for use in determining the number of long fibers that occur infrequently in a sample.

Note 1—For determination for overlength fibers, refer to Test Method D 3513.

Note 2—For methods covering the determination of the average length and length distribution of natural fibers, refer to the following methods: for cotton, Test Method D 1440, and Test Method D 1447, for wool, Test Method D 519, Test Method D 1234, and Test Method D 1575.

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.

Keywords

length; textile fibers; ICS Number Code 59.060.20 (Man-made fibres)

To find similar documents by ASTM Volume:

07.02 (Textiles (II): D4393 - latest)

To find similar documents by classification:

59.060.20 (Man-made fibres)

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