1、Designation:D213022Standard Test Method forDiameter of Wool and Other Animal Fibers byMicroprojection1This standard is issued under the fixed designation D2130;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision
2、.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This test method covers a procedure,using themicrop
3、rojector,for the determination of the average fiberdiameter and the fiber diameter variation on wool and otheranimal fibers,such as mohair,cashmere,alpaca,camels hair,etc.(Note 1)in their various forms.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parent
4、heses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.NOTE1This test method may also be applied to any fibers having around cross section and accordingly may be used many times formelt-spun man-made fibers such as polyamides,polyesters,an
5、d glass;alsoit may be applied to a limited number of polyacrylics and regeneratedcellulose type fibers.The values given in Appendix X1 for density andcorrection factors,however,apply only to wool and should not be used forother fibers.For suitable values for the density of other fibers,see Table5 in
6、 Test Methods D629,Quantitative Analysis of Textiles.NOTE2In subsequent sections of this test method,the term“wool”also signifies mohair or other fibers if the circumstances are applicable.NOTE3For fineness specifications for wool,wool top,mohair,mohairtop,alpaca,and cashmere,refer to Specifications
7、 D3991 and D3992,Specification D2252,Test Method D2816.1.3 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 deter-mine the ap
8、plicability 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-mendations issued by
9、 the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD584 Test Method for Wool Content of Raw WoolLaboratory ScaleD629 Test Methods for Quantitative Analysis of TextilesD1060 Practice for Core Sampling o
10、f Raw Wool in Packagesfor Determination of Percentage of Clean Wool FiberPresentD1776 Practice for Conditioning and Testing TextilesD2252 Specification for Fineness of Types of AlpacaD2258 Practice for Sampling Yarn for TestingD2816 Test Method for Cashmere Coarse-Hair Content inCashmereD2968 Test M
11、ethod for Med and Kemp Fibers in Wool andOther Animal Fibers by MicroprojectionD3992 Specifications for Fineness of Wool Top or MohairTop and Assignment of Grade(Withdrawn 2021)3D4845 Terminology Relating to WoolE380 Practice for Use of the International System of Units(SI)(the Modernized Metric Sys
12、tem)(Withdrawn 1997)32.2 Other Standards:Federal Standard,Official Standard of the United States forGrades of Wool,Section 31.0,Measurement Method forDetermining Grade of Wool,Section 31.2044IWTO-8-66(E)Method of Determining Wool Fiber Diam-eter by the Projection Microscope53.Terminology3.1 For all
13、terminology related to D13.13,Wool and Felt,see Terminology D4845.1This test method is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.13 on Wool and Felt.Current edition approved June 1,2022.Published August 2022.Originallyapproved in 1961
14、.Last previous edition approved in 2013 as D2130 13 which waswithdrawn in January 2022 and reinstated in June 2022.DOI:10.1520/D2130-22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume inform
15、ation,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Service and Regulatory Announcement,No.135,U.S.Department ofAgriculture,C&MS,April 1966.5International Wool Textile Organization,International Wo
16、ol Secretariat,RawWool Services,Valley Drive,Ilkley,Yorkshire LS29 8PB,England.Copyright ASTM International,100 Barr Harbor Drive,PO Box 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 World Trade Organization Technical Barriers to Trade(TBT)Committee
