ASTM D2731-2007 弹性体纱线弹力特性的标准试验方法(CRE型拉伸试验机)

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【英文标准名称】:StandardTestMethodforElasticPropertiesofElastomericYarns(CRETypeTensileTestingMachines)
【原文标准名称】:弹性体纱线弹力特性的标准试验方法(CRE型拉伸试验机)
【标准号】:ASTMD2731-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:特性;抗拉试验;拉伸试验机;试验方法;定型试验;纱
【英文主题词】:elasticproperties;elastomericyarn;forceatspecifiedelongation;permanentdeformation;stressdecay
【摘要】:p>1.1Thistestmethodcoversthedeterminationofelasticpropertiesof"asproduced"elastomericyarnsmadefromrubber,spandexorotherelastomers.Elasticpropertiesincludeforceatspecifiedelongations,permanentdeformationandstressdecay.Otherhysteresisrelatedpropertiescanbecalculated.Foramethoddesignedspecificallyfortestingrubberthreads,refertoTestMethodD2433.1.2Thistestmethodisnotapplicabletocovered,wrapped,orcore-spunyarnsoryarnsspunfromelastomericstaple.1.3Thistestmethodisapplicabletoelastomericyarnshavingarangeof40to3200dtex(36to2900denier).1.4ThevaluesstatedineitherSIunitsorU.S.Customaryunitsaretoberegardedseparatelyasstandard.Withinthetext,theU.S.Customaryunitsareinparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W58
【国际标准分类号】:59_080_20
【页数】:5P.;A4
【正文语种】: