ASTM D2060-2000(2010) 测量拉链尺寸的标准试验方法

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【英文标准名称】:StandardTestMethodsforMeasuringZipperDimensions
【原文标准名称】:测量拉链尺寸的标准试验方法
【标准号】:ASTMD2060-2000(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dimension;zipper;Fiberlength;Dimensionalchange;Flatness;Dimensions--textilematerials/applications;Straightness;Width;Zippers
【摘要】:Thesignificanceofspecifictestsisdiscussedintheappropriatesections.Thesetestmethodsareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausethetestmethodshavebeenusedextensivelyinthetradeforthispurpose,andbecausecurrentestimatesofbetween-laboratoryprecisionareacceptableinmostcases.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodsD2060foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasiffound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Thetestmethod(s)inthesetestmethods,alongwiththoseinTestMethodsD2051,D2052,D2053,D2054,D2057,D2058,D2059,D2061,andD2062,areacollectionofproventestmethods.Theycanbeusedasaidsintheevaluationofzipperswithouttheneedforathoroughknowledgeofzippers.Theenumeratedtestmethodsdonotprovidefortheevaluationofallzipperproperties.Besidesthosepropertiesmeasuredbymeansoftheenumeratedtestmethodsthereareotherpropertiesthatmaybeimportantforthesatisfactoryperformanceofazipper.Testmethodsformeasuringthosepropertieshavenotbeenpublishedeitherbecausenopracticalmethodshaveyetbeendevelopedorbecauseavalidevaluationoftheinformationresultingfromexistingunpublishedmethodsrequiresanintimateandthoroughknowledgeofzippers.1.1Thesetestmethodscoverthemeasurementofthedimensionsofalltypesandsizesofzippers.1.2Thetestmethodsappearasfollows:
【中国标准分类号】:Y76
【国际标准分类号】:61_040
【页数】:10P.;A4
【正文语种】:英语