Designation:D1054–02StandardTestMethodforRubberProperty—ResilienceUsingaGoodyear-HealeyReboundPendulum1ThisstandardisissuedunderthefixeddesignationD1054;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodcoversthedeterminationofimpactresilienceandpenetrationofrubberbymeansoftheGoodyear-Healeyreboundpendulum,seeFig.1.1.1.1Thetermrubber,usedwithinthismethod,shallrefertothosesubstancesclassifiedasthermoplasticelastomers,vulcanized(thermoset)rubber,elastomericmaterials,andcel-lularmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.ManyofthestateddimensionsinSIaredirectconver-sionsfromtheU.S.CustomarySystemtoaccommodatetheinstrumentation,practicesandproceduresthatexistedpriortotheMetricConversionActof1975.1.3Allmaterials,instruments,orequipmentusedforthedeterminationofmass,force,direction,temperatureordimen-sionshallhavetraceabilitytotheNationalInstituteforStan-dardsandTechnology,orotherinternationallyrecognizedorganizationparallelinnature.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D3182PracticeforRubber—Materials,Equipment,andProceduresforMixingStandardCompoundsandPrepar-ingStandardVulcanizedSheets2D3183PracticeforRubber—PreparationofPiecesforTestPurposesfromProducts2D4483PracticeforDeterminingPrecisionforTestMethodStandardsintheRubberandCarbonBlackIndustries2E145SpecificationforGravity—ConvectionandForced-VentilationOvens33.SummaryofTestMethod3.1ImpactResilience—Afreelyfallingpendulumhammerthatisdroppedfromagivenheightimpactsatestspecimen,i...