ASTM D3774-1996(2008)e1 纺织品宽度的标准试验方法

作者:标准资料网 时间:2024-05-15 17:55:41  浏览:8350   来源:标准资料网

【英文标准名称】:StandardTestMethodsforWidthofTextileFabric
【原文标准名称】:纺织品宽度的标准试验方法
【标准号】:ASTMD3774-1996(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Wovenfabric;width;Performance--textiles;Width;Woventextilefabrics
【摘要】:OptionAproceduresofTestMethodD3774forwidthareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausetheyareusedextensivelyinthetrade.5.1.1IncaseofadisputearisingfromdifferencesinreportedtestvalueswhenusingTestMethodD3774foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentrsquo;t-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.DESIG:D377496(Reapproved2008)^TITLE:StandardTestMethodforWidthofTextileFabric^SIGNUSE:OptionAproceduresofTestMethodD3774forwidthareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausetheyareusedextensivelyinthetrade.IncaseofadisputearisingfromdifferencesinreportedtestvalueswhenusingTestMethodD3774foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.^SCOPE:1.1Thistestmethodcoversthemeasurementofthewidthoffabrics,pileornappedsurfacewidth,orboth.Themethodisapplicabletofullrolls,boltsoffabric,andshortspecimensremovedfromarollorbolt.Unlessotherwisespecified,measurementsshallincludetheselvageswhenpresent.1.2Themethodofferstwooptions:1.2.1OptionA8212;FullRollorBolt.1.2.2OptionB8212;ShortSpecimenRemovedfromFullRollorBolt.1.3ThevaluesstatedineitherSIunitsorU.S.customaryunitsaretoberegardedasstandard.TheU.S.customaryunitsmaybeapproximate.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.^REFERENCE:ASTMStandards:D123TerminologyRelatingtoTextiles