Designation:D1822−21StandardTestMethodforDeterminingtheTensile-ImpactResistanceofPlastics1ThisstandardisissuedunderthefixeddesignationD1822;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationoftheenergyrequiredtorupturestandardtension-impactspecimensofplasticmaterials.Rigidmaterialsaresuitablefortestingbythismethodaswellasspecimensthataretooflexibleorthintobetestedinaccordancewithotherimpacttestmethods.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.NOTE1—ThistestmethodandISO8256addressthesamesubjectmatter,butdifferintechnicalcontent.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D256TestMethodsforDeterminingtheIzodPendulumImpactResistanceofPlasticsD618PracticeforConditioningPlasticsforTestingD638TestMethodforTensilePropertiesofPlasticsD883TerminologyRelatingtoPlasticsD4000ClassificationSystemforSpecifyingPlasticMateri-alsD5947TestMethodsforPhysicalDimensionsofSolidPlasticsSpecimensD6988GuideforDeterminationofThicknessofPlasticFilmTestSpecimensE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE456TerminologyRelatingtoQualityandStatisticsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2ISOS...
