【英文标准名称】:StandardTestMethodforEvaluatingRubberPropertyx2014;RetractionatLowerTemperatures(TRTest)
【原文标准名称】:评定橡胶特性的标准试验方法-低温收缩(TR试验)
【标准号】:ASTMD1329-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D11.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:crystallization;lowtemperatureretraction;rubber;temperatureretraction;testingatsubnormaltemperatures;TRtest;viscoelasticproperties;Crystallization;Low-temperaturetesting--rubber;Retraction;Rubberpropertyanalysis;Temperature-retractio
【摘要】:Thedifferencebetweenthetemperatureatwhichavulcanizateretracts10%(TR10)andthetemperatureatwhichavulcanizateretracts70%(TR70)increasesasthetendencytocrystallizeincreases.TR70correlateswithlow-temperaturecompressionset.TR10hasbeenfoundtocorrelatewithbrittlepointsinvulcanizatesbasedonpolymersofsimilartype.Ingeneral,theretractionrateisbelievedtocorrelatewithlow-temperatureflexibilityofbothcrystallizableandnoncrystallizablerubbers.1.1Thistestmethoddescribesatemperature-retractionprocedureforrapidevaluationofcrystallizationeffectsandforcomparingviscoelasticpropertiesofrubberandrubber-likematerialsatlowtemperatures.Thistestmethodisusefulwhenemployedinconjunctionwithotherlow-temperaturetestsforselectionofmaterialssuitableforlow-temperatureservice.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:5P.;A4
【正文语种】:英语