ASTM C1681-2009 评定恒应变下密封剂抗扯性的标准试验方法

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【英文标准名称】:StandardTestMethodforEvaluatingtheTearResistanceofaSealantUnderConstantStrain
【原文标准名称】:评定恒应变下密封剂抗扯性的标准试验方法
【标准号】:ASTMC1681-2009
【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】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:constantstraintesting;fixedextension;movementinducedtear;sealant
【摘要】:Thistestmethodisintendedtodetermineifajointthatissubjectedtoamechanicallyinducedcutwillresisttearpropagationduringnormaljointmovement.Asealantwithahighresistancetotearpropagationwilltypicallyperformbetterthanasealantwithalowresistancetotearpropagation.1.1Thistestmethodevaluatestheimpactofaninducedtearonasealantspecimenthatisdimensioned,curedaccordingtotheguidelinesinTestMethodC719andthensubjectedtoaconstantstrain.Itiseffectiveindifferentiatingbetweensealantsthatareusedindynamicjointssubjecttoabrasion,punctures,tears,orcombinationthereof.1.2Sincethistestmethodisfortheevaluationoftearpropagation,anadhesivefailuretothesubstratesprovidesnousabledataregardingtearpropagation.Thiswouldbeconsideredafailedtestandthatdatawouldbediscarded,oratleastseparatedfromtheotherdatafromspecimensthatdidnotexperienceanadhesivefailure.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thecommitteewithjurisdictionoverthisstandardisnotawareofanycomparablestandardspublishedbyotherorganizations.
【中国标准分类号】:Q24
【国际标准分类号】:23_040_80
【页数】:5P.;A4
【正文语种】:英语

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