ASTM D2817-2005(2009) Standard Specification for Maximum Cashmere Coarse-Hair Content in Cashmere 《开士米毛线中最大粗毛节含量的标准规范》.pdf

1、Designation: D 2817 05 (Reapproved 2009)Standard Specification forMaximum Cashmere Coarse-Hair Content in Cashmere1This standard is issued under the fixed designation D 2817; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year

2、 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 specification covers the allowable cashmerecoarse-hair content in cashmere which has been processed atleast t

3、o the roving stage.1.2 For blends of cashmere hair and other fibers, thisspecification is applicable only to the cashmere hair content ofsuch blends.NOTE 1For the determination of the cashmere coarse-hair content incashmere, refer to Test Method D 2816. For the identification of textilefibers see Me

4、thods D 276. For the quantitative determination of thecomposition of textile blends, see Test Methods D 629.1.3 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

5、and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 123 Terminology Relating to TextilesD 276 Test Methods for Identification of Fibers in TextilesD 629 Test Methods for Quantitative Analysis of TextilesD 2816 Test

6、 Method for Cashmere Coarse-Hair Content inCashmereD 4845 Terminology Relating to Wool3. Terminology3.1 For all terminology relating to D13.13, Wool and WoolFelt, refer to Terminology D 4845.3.1.1 The following terms are relevant to this specification:cashmere, coarse hair, cashmere coarse hair cont

7、ent, cashmeredown, cashmere hair.3.2 For all other terminology related to textiles, see Termi-nology D 123.4. 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 in

8、terest, this 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 %

9、 bylength.NOTE 2Extensive 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

10、.13, Committee D13 of ASTM.6. Test Method6.1 Determine the coarse-hair content as directed in TestMethod D 2816.7. 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 D 2816.7.2 In case of dis

11、pute, make two additional tests 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 Sub

12、committee D13.13 on Wool and Felt.Current edition approved July 1, 2009. Published August 2009. Originallyapproved in 1969. Last previous edition approved in 2005 as D 2817 05.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. Fo

13、r Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any pa

14、tent 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 revisio

15、n at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your com

16、ments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyright

17、ed by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D 2817 05 (2009)2