Designation:D3403−07(Reapproved2016)StandardTestMethodsforRubber—EvaluationofIR(IsopreneRubber)1ThisstandardisissuedunderthefixeddesignationD3403;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthestandardmaterials,testformula,mixingprocedures,andtestmethodsfortheevalua-tionandproductioncontrolofisoprenerubber(IR).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD1646TestMethodsforRubber—Viscosity,StressRelaxation,andPre-VulcanizationCharacteristics(MooneyViscometer)D2084TestMethodforRubberProperty—VulcanizationUsingOscillatingDiskCureMeterD3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD3896PracticeforRubberFromSyntheticSources—SamplingD4483PracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustriesD5289TestMethodforRubberProperty—VulcanizationUsingRotorlessCureMetersD6204TestMethodforRubber—MeasurementofUnvulca-nizedRheologicalPropertiesUsingRotorlessShearRhe-ometersE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.SignificanceandUse3.1Thesetestsaremainlyintendedforrefereepurposesbutmaybeusedforqualitycontrolofrubberproduction.Theymayalsobeusedinresearchanddevelopmentworkandforcomparisonofdifferentrubbersamplesinastandardformula.3.2Thesetestsmayalsobeusedtoobtainvaluesforcus...
