1、Designation:D369302(Reapproved 2016)Standard Specification forLabeled Length per Holder of Sewing Thread1This standard is issued under the fixed designation D3693;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revis
2、ion.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 requirements for the labeledlengths of sewing threads of all materials.1.2 The values stated in SI units ar
3、e to be regarded asstandard.No other units of measurement are included in thisstandard.2.Referenced Documents2.1 ASTM Standards:2D123 Terminology Relating to TextilesD204 Test Methods for Sewing ThreadsD3888 Terminology for Yarn Spinning SystemsD3990 Terminology Relating to Fabric DefectsD4849 Termi
4、nology Related to Yarns and Fibers3.Terminology3.1 Definitions:3.1.1 For definitions of textile terms used in thisspecification,thread holder and sewing thread,refer to Termi-nology D4849.3.1.2 For other textile terms used in this specification,referto Terminology standards D123,D3888,D3990,And D484
5、9.4.Requirements4.1 The average for all holders shall equal or exceed thelabeled length.4.2 For home sewing spools,the observed length of indi-vidual holders shall equal or exceed the percent of labeledlength shown in Table 1.4.3 For ready-made bobbins,the observed length of indi-vidual holders shal
6、l equal or exceed 97%of the labeled length.4.4 For all other holders,when the sample size is nine orfewer,the observed length of individual holders shall equal orexceed 95%of the labeled length.For a sample size of ten ormore the observed length of one holder may be less than 95%of the labeled lengt
7、h.4.5 If the initial sample consists of fewer than ten holdersand the average length measured fails to conform to therequirements of 4.1 but meets those of 4.2,4.3,or 4.4,asappropriate,take additional specimens from the lot and testuntil a total of ten have been measured.Reevaluate the resultsof the
8、se ten specimens against the requirements of 4.1,4.2,4.3,or 4.4,as appropriate.If the new average conforms with therequirements of 4.1 and the individual holders with therequirements of 4.2,4.3,or 4.4,as appropriate,consider the lotacceptable.4.5.1 If the original lot consists of fewer than ten hold
9、ers,the supplementary sample will be one half of the holdersremaining in the lot following the initial sampling.5.Sampling5.1 LotUnless otherwise agreed upon between the pur-chaser and supplier,a lot shall be a discrete manufacturing unitor a billed quantity of a specific color,ticket size,and lengt
10、hput-up of thread.A billed quantity can consist of a single unit,a carton,box,or multiple units of either,containing a numberof holders of thread.NOTE1An adequate specification or other agreement between thepurchaser and the supplier requires taking into account variability betweenshipping units,bet
11、ween packages,or ends within shipping unit,andbetween specimens from a single package so as to provide a sampling planwith a meaningful producers risk,users risk,acceptable quality level,and limiting quality level.5.2 SampleUnless otherwise agreed upon between thepurchaser and supplier,and except fo
12、r ready-made bobbins,thesample,chosen at random,shall be 10%of the holders in thelot,with a minimum of one holder,up to a maximum of tenholders.The lot sample and laboratory sample are synony-mous.5.2.1 For ready-made bobbins the sample shall be as shownin Table 2.5.3 SpecimenThe test specimen is a
13、holder of threadwhether a cone,tube,spool,ready-made bobbin,or other.6.Test Method6.1 Determine the length of each holder of thread asdirected in the length per thread holder procedure of Test1This specification is under the jurisdiction of ASTM Committee D13 onTextiles and is the direct responsibil
14、ity of Subcommittee D13.58 on Yarns andFibers.Current edition approved Jan.1,2016.Published February 2016.Originallyapproved in 1978.Last previous edition approved in 2010 as D3693 02(2010).DOI:10.1520/D3693-02R16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Cust
15、omer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Method D204.Use the sampling directions in
16、 this specificationin place of those in Methods D204.7.Conformance7.1 Material that fails to conform to the requirements of thisspecification may be rejected.Rejection shall be reported to thesupplier promptly and in writing.In case of dissatisfaction withthe results of the test,the supplier may make claim for arehearing.The terms of the rehearing shall be as agreed uponbetween the supplier and the purchaser.8.Keywords8.1 length;sewing threadASTM International takes no position respecting the va
