ASTM D1909-2013 Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers《纺织用纤维商业折让和商用吸湿性标准表格》.pdf
《ASTM D1909-2013 Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers《纺织用纤维商业折让和商用吸湿性标准表格》.pdf》由会员分享,可在线阅读,更多相关《ASTM D1909-2013 Standard Tables of Commercial Moisture Regains and Commercial Allowances for Textile Fibers《纺织用纤维商业折让和商用吸湿性标准表格》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D1909 04 (Reapproved 2012)D1909 13StandardTableTables of Commercial Moisture Regains andCommercial Allowances for Textile Fibers1This standard is issued under the fixed designation D1909; the number immediately following the designation indicates the year oforiginal adoption or, in the
2、case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This table listsThese tables list the commercial moisture regains and commercial allowan
3、ces commonly used for a numberof textile fibers. Such moisture regain and allowance values are intended primarily for determining the commercial weight of aspecific fiber when the fiber is bought or sold on this basis. These regain and allowance values also are used in calculating the lineardensity
4、of yarn in procedures employing such factors and in the quantitative analysis of fiber blends.2. Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD2118 Practice for Assigning a Standard Commercial Moisture Content for Wool and its ProductsD2494 Test Method for Commercial
5、Mass of a Shipment of Yarn or Manufactured Staple Fiber or TowD2720 Practice for Calculation of Commercial Weight and Yield of Scoured Wool, Top, and Noil for Various CommercialCompositionsD4920 Terminology Relating to Conditioning, Chemical, and Thermal Properties2.2 BISFA Standard:3BISFA Terminolo
6、gy of Man-made Fibers3. Terminology3.1 Definitions:3.1.1 commercial moisture regain (CMR), na formally adopted, arbitrary value, to be used with the oven-dried mass of textilefibers, when calculating the commercial mass of a shipment or delivery.3.1.1 For all terminology related to Conditioning and,
7、 Chemical and Thermal Properties, see Terminology D4920.3.1.1.1 The following terms are relevant to this standard: commercial moisture regain (CMR), commercial allowance (CA).3.1.2 For definitions of all other textile terms used, terms, refer to Terminology D123.4. Significance and Use4.1 The value
8、listed for the commercial moisture regain and commercial allowance of a specific fiber type is not anexperimentally determined quantity but a purely arbitrarydefined value arrived at for commercial purposes by interested parties.The actual moisture regain values of textile materials, when in moistur
9、e equilibrium with the standard atmosphere for testing, bearno consistent relation to the commercial moisture regain values listed herein.can deviate from the listed values. Equilibriummoisture regain values depend upon the previous history of the material. The actual finish content of textile mater
10、ials can deviatefrom the listed values (see Test Method D2494).5. Table of Commercial Moisture Regain Values5.1 Commercial moisture regain values for specified fibers are listed in Table 1.5.2 Commercial allowance values for specified fibers are listed in Table 2.1 This table isThese tables are unde
11、r the jurisdiction of ASTM Committee D13 on Textiles and isare the direct responsibility of Subcommittee D13.51 on Conditioningand, Chemical and Thermal Properties.Current edition approved Feb. 1, 2012Oct. 1, 2013. Published February 2012October 2013. Originally approved in 1961. Last previous editi
12、on approved in 2004 asD1909 04.D1909 04 (2012). DOI: 10.1520/D1909-04R12.10.1520/D1909-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer tot he standards Document summ
13、ary page on the ASTM website.3 International Bureau for the Standardization of Man-Made Fibres, Avenue E. Van Nieuwenhuyse 6, 1160 Brussels, www.bisfa.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made t
14、o the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyrig
15、ht ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States16. Keywords6.1 moisture regain; textile fiberTABLE 1 Commercial Moisture Regain ValuesFiber Regain, % Fiber Regain, %Acetate (secondary) 6.5 ModacrylicGAcrylic 1.5 Class I 0.4Aramid, for A Clas
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