Designation:D3187−06(Reapproved2016)StandardTestMethodsforRubber—EvaluationofNBR(Acrylonitrile-ButadieneRubber)1ThisstandardisissuedunderthefixeddesignationD3187;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthestandardmaterials,testformulas,mixingproceduresandtestmethodsfortheevalua-tionofvarioustypesofacrylonitrile-butadienerubber(NBR).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-ometers3.SignificanceandUse3.1Thesetestmethodsareintendedmainlyforrefereepurposesbutmaybeusedforqualitycontrolofrubberproduction.Theymayalsobeusedinresearchanddevelop-mentworkandforcomparisonofdifferentrubbersamplesinastandardformula.3.2Thesetestmethodsmaybeusedtoobtainvaluesforcustomercontrolacceptanceofrubber.4.StandardTestFor...
