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ASTM D1909-04(2012)

Historical Reaffirmation

Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers

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1.1 This table lists the commercial moisture regains commonly used for a number of textile fibers. Such moisture regain values are intended primarily for determining the commercial weight of a specific fiber when the fiber is bought or sold on this basis. These regain values also are used in calculating the linear density of yarn in procedures employing such factors and in the quantitative analysis of fiber blends.


The value listed for the commercial moisture regain of a specific fiber type is not an experimentally determined quantity but a purely arbitrary value arrived at for commercial purposes by interested parties. The actual moisture regain values of textile materials, when in moisture equilibrium with the standard atmosphere for testing, bear no consistent relation to the commercial moisture regain values listed herein. Equilibrium moisture regain values depend upon the previous history of the material.

SDO ASTM: ASTM International
Document Number D1909
Publication Date Feb. 1, 2012
Language en - English
Page Count 2
Revision Level 04(2012)
Supercedes
Committee D13.51
Publish Date Document Id Type View
June 1, 2020 D1909-13R20E01 Revision
Oct. 1, 2013 D1909-13 Revision
March 1, 2004 D1909-04 Revision
Oct. 10, 1996 D1909-96 Revision
June 1, 2020 D1909-13R20 Reaffirmation
Feb. 1, 2012 D1909-04R12 Reaffirmation
Oct. 10, 1996 D1909-96R01 Reaffirmation