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【英文标准名称】:StandardTestMethodforImpactResistanceofPlasticSew-ThroughButtons
【原文标准名称】:塑料线缝纽扣的耐撞击性标准试验方法
【标准号】:ASTMD5171-2009a
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:button;impactresistance;strength,Buttons;Flangebuttons;Impacttesting--textilematerials/applications;Plastics--textileapplications;Sew-throughflangebuttons
【摘要】:Thistestmethodmaybeusedtodeterminetheabilityofabuttontoresistbreakingunderimpact,forexampleinpressingtheenditem,whichcouldcausethebuttontofail.Note18212;Inthedevelopmentofthistestmethoditwasfoundthatthefollowingfactorsinfluencedtheabilityofabuttontoresistfailureunderimpactconditions:resinformulation,shapelignesize,thickness,numberandspacingofholes.Buttonsmayalsopassthistestbutfailduringthepressingofagarmentduetothepresenceofheatduringpressing.Iftherearedifferencesofpracticalsignificancebetweenthereportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesshouldbeusedthatareashomogeneousaspossible,thataredrawnfromthematerialfromwhichthedisparaterestresultswereobtained,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.TestMethodD5171forthedeterminationoftheimpactresistanceofbuttonsmaybeusedforacceptancetestingofcommercialshipmentsofbuttonsbutcautionisadvisablesinceinformationislackingonprecision.1.1Thistestmethodcoversthedeterminationofimpactresistanceofplasticsew-throughbuttons.1.2Thevaluesstatedineitheracceptablemetricunitsorotherunitsshallberegardedseparatelyasstandard.Thevaluesexpressedineachsystemmayormaynotbeexactequivalents:therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y76
【国际标准分类号】:61_040
【页数】:3P.;A4
【正文语种】:英语