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ASTM_D_2817_-_18.pdf

1、Designation:D281718Standard Specification forMaximum Cashmere Coarse-Hair Content in Cashmere1This standard is issued under the fixed designation D2817;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numbe

2、r in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the allowable cashmerecoarse-hair content in cashmere which has been processed atleast to the roving stage.1.2 For ble

3、nds of cashmere hair and other fibers,thisspecification is applicable only to the cashmere hair content ofsuch blends.NOTE1For the determination of the cashmere coarse-hair content incashmere,refer to Test Method D2816.For the identification of textilefibers see Methods D276.For the quantitative det

4、ermination of thecomposition of textile blends,see Test Methods D629.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and det

5、er-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendat

6、ions issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD276 Test Methods for Identification of Fibers in TextilesD629 Test Methods for Quantitative Analysis of TextilesD2816 Test Method for C

7、ashmere Coarse-Hair Content inCashmere(Withdrawn 2018)3D4845 Terminology Relating to Wool3.Terminology3.1 For all terminology relating to D13.13,Wool and WoolFelt,refer to Terminology D4845.3.1.1 The following terms are relevant to this specification:cashmere,coarse hair,cashmere coarse hair content

8、,cashmeredown,cashmere hair.3.2 For all other terminology related to textiles,see Termi-nology D123.4.Significance and Use4.1 This specification sets the maximum permissible cash-mere coarse-hair content for cashmere in the form of roving,yarn,or fabric.4.2 When agreed upon by parties in interest,th

9、is specifica-tion provides a basis for acceptance testing of roving,yarn,orfabric of cashmere,or blends of cashmere and other fibers insuch products.5.Specification for Cashmere5.1 The cashmere coarse-hair content of cashmere in theform of roving,yarn,or fabric shall not exceed 0.7%bylength.NOTE2Ext

10、ensive interlaboratory tests have shown that when thecashmere coarse-hair content exceeds 0.7%by length,the correspondingpercentage by mass of cashmere coarse-hair in the product generallyexceeds 3.0%.The data from these studies are filed with the secretary ofSubcommittee D13.13,Committee D13 of AST

11、M.6.Test Method6.1 Determine the coarse-hair content as directed in TestMethod D2816.7.Number of Tests7.1 Except in case of dispute,make a single test for thedetermination of the cashmere coarse-hair content of cashmereas directed in Test Method D2816.7.2 In case of dispute,make two additional tests

12、 for cash-mere coarse hair content on different samples and base thedecision on the majority result.8.Keywords8.1 animal fibers(except wool);content1This specification is under the jurisdiction of ASTM Committee D13 onTextiles and is the direct responsibility of Subcommittee D13.13 on Wool and Felt.

13、Current edition approved July 1,2018.Published August 2018.Originallyapproved in 1969.Last previous edition approved in 2009 as D2817 05(2009)which was withdrawn January 2018 and reinstated in July 2018.DOI:10.1520/D2817-18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact

14、 ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box

15、C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the Wor

16、ld Trade Organization Technical Barriers to Trade(TBT)Committee.1 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be re

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