Designation:D2583−13aStandardTestMethodforIndentationHardnessofRigidPlasticsbyMeansofaBarcolImpressor1ThisstandardisissuedunderthefixeddesignationD2583;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1ThistestmethodcoversthedeterminationofindentationhardnessofbothreinforcedandnonreinforcedrigidplasticsusingaBarcolImpressor,ModelNo.934-1andModelNo.935.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothistestmethod.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD883TerminologyRelatingtoPlasticsD4000ClassificationSystemforSpecifyingPlasticMateri-alsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions—Fordefinitionsoftechnicaltermspertain-ingtoplasticsusedinthistestmethod,seeTerminologyD883.4.SummaryofTestMethod4.1Amaterial’ssurfacehardnessisdeterminedthroughtheuseofaBarcolImpressor.TherelativedepthofpenetrationoftheImpressor’sindentorprovidesacomparativemeasureofthematerial’shardness.TheModelNo.934-1andModelNo.935BarcolImpressorsaredesignatedforusewithplastics.WithintherangeofhardnessmeasuredbytheseImpressorstheModelNo.934-1isusedformeasuringhardermaterialsandtheModelNo.935isusedformeasuringsoftermaterials.5.SignificanceandUse5.1TheBarcolImpressorisportableandthereforesuitablefortestingthehardnessoffabricatedpartsandindividualtestspecimensforproductioncontro...
