Designation:D792−13StandardTestMethodsforDensityandSpecificGravity(RelativeDensity)ofPlasticsbyDisplacement1ThisstandardisissuedunderthefixeddesignationD792;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thesetestmethodsdescribethedeterminationofthespecificgravity(relativedensity)anddensityofsolidplasticsinformssuchassheets,rods,tubes,ormoldeditems.1.2Twotestmethodsaredescribed:1.2.1TestMethodA—Fortestingsolidplasticsinwater,and1.2.2TestMethodB—Fortestingsolidplasticsinliquidsotherthanwater.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThisstandardisnotequivalenttoISO1183–1MethodA.Thistestmethodprovidesmoreguidelinesonsampleweightanddimension.ISO1183-1allowstestingatanadditionaltemperatureof2762°C.2.ReferencedDocuments2.1ASTMStandards:2D618PracticeforConditioningPlasticsforTestingD891TestMethodsforSpecificGravity,Apparent,ofLiquidIndustrialChemicalsD4968GuideforAnnualReviewofTestMethodsandSpecificationsforPlasticsD6436GuideforReportingPropertiesforPlasticsandThermoplasticElastomersE1SpecificationforASTMLiquid-in-GlassThermometersE12TerminologyRelatingtoDensityandSpecificGravityofSolids,Liquids,andGases(Withdrawn1996)3E691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodIEEE/ASTMSI-10PracticeforUseoftheInternationalSystemofUnits(SI)(theModernizedMetricSystem)3.Terminology3.1General—Theunits,symbols,andabbreviationsusedinthesetestmethodsareinaccordancewithIEEE/ASTMSI-10.3.2Definitions:3.2.1sp...
