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ASTM D861-01

Historical Revision

Standard Practice for Use of the Tex System to Designate Linear Density of Fibers, Yarn Intermediates, and Yarns

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1.1 This practice covers the use of the tex system to designate the linear density (number, or count) of fibers and of yarns made from any type of fiber or combination of fibers. It is also applicable to other textile materials, including yarn intermediates (slivers, rovings, tops, etc.), single or plied yarns, cords, and threads.

Note 1—The mass per unit length concept of linear density is applicable to any material which has a high ratio of length to cross section.

1.2 Conversion factors for various indirect and direct yarn numbers to exact tex equivalents can be found in Standard Tables D 2260.

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.


SDO ASTM: ASTM International
Document Number D861
Publication Date Sept. 10, 2001
Language en - English
Page Count 2
Revision Level 01
Supercedes
Committee D13.58
Publish Date Document Id Type View
June 1, 2024 D0861-07R24E02 Revision
Jan. 1, 2007 D0861-07 Revision
Sept. 10, 2001 D0861-95 Revision
Sept. 10, 2001 D0861-01A Revision
Sept. 10, 2001 D0861-01 Revision
June 1, 2024 D0861-07R24E01 Reaffirmation
July 1, 2018 D0861-07R18 Reaffirmation
July 1, 2013 D0861-07R13 Reaffirmation