Designation:D5989−18StandardSpecificationforExtrudedandMonomerCastShapesMadefromNylon(PA)1ThisstandardisissuedunderthefixeddesignationD5989;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisspecificationisintendedtobeameansofcallingoutplasticproductsusedinthefabricationofenditemsorparts.1.Scope*1.1Thisspecificationcoversrequirementsandtestmethodsforthematerial,dimensions,andworkmanship,andtheprop-ertiesofextrudedandcastsheet,plate,rodandtubularbar,excludingpipeandfittings,manufacturedfromnylonormonomers.1.2Thepropertiesincludedinthisspecificationarethoserequiredforthecompositionscovered.Requirementsneces-sarytoidentifyparticularcharacteristicsimportanttospecial-izedapplicationsaredescribedbyusingtheclassificationsystemgiveninSection4.1.3Thisspecificationallowsfortheuseofrecycledplastics(asdefinedinGuideD7209).1.4ThevaluesstatedinEnglishunitsareregardedasstandard.Thevaluesinparenthesesareforinformationonly.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodportionsofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenviron-mentalpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.NOTE2—ThisspecificationisintendedtoreplaceFederalStandardLP-410AandPS50.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D256TestMethodsforDeterminingtheIzodPendulumImpactResistanceofPlas...
