Designation:D5436−15(Reapproved2020)StandardSpecificationforCastPoly(MethylMethacrylate)PlasticRods,Tubes,andShapes1ThisstandardisissuedunderthefixeddesignationD5436;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverspoly(methylmethacrylate)rods,tubes,andothershapesproducedbycastingormachiningcastblanks.Thisspecificationdoesnotapplytoheat-formedandmoldedorextrudedpartsandshapes,orsectionsthataremadebyassemblingorjoiningtwoormorepieces.NOTE1—Thepropertiesincludedinthisspecificationarethoserequiredtoidentifythetypesandgradesofmaterialscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristics.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE2—ThereisnoknownISOequivalenttothisstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D542TestMethodforIndexofRefractionofTransparentOrganicPlasticsD570TestMethodforWaterAbsorptionofPlasticsD618PracticeforConditioningPlasticsforTestingD638TestMethodforTensilePropertiesofPlasticsD648TestMethodforDeflectionTemperatureofPlasticsUnderFlexuralLoadintheEdgewisePositionD792TestMethodsforDensityandSpecificGravity(Rela-tiveDensity)ofPlasticsbyDisplacementD883TerminologyRe...
