Designation:D3307−16StandardSpecificationforPerfluoroalkoxy(PFA)ResinMoldingandExtrusionMaterials1ThisstandardisissuedunderthefixeddesignationD3307;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1ThisspecificationcoversmeltprocessablemoldingandextrusionmaterialsofPerfluoroalkoxy(PFA)resin.Themate-rialsarecopolymersoftetrafluoroethyleneandperfluoro-alkoxy.1.2Thisspecificationisintendedtoprovideameansforcallingoutplasticmaterialsusedinthefabricationofenditemsorparts.Itisnotintendedfortheselectionofmaterials.Materialselectionshouldbemadebythosehavingexpertiseintheplasticsfieldaftercarefulconsiderationofthedesignandtheperformancerequiredofthepart,theenvironmenttowhichitwillbeexposed,thefabricationprocesstobeemployed,thecostsinvolved,andtheinherentpropertiesofthematerialotherthanthosecoveredbythisspecification.1.3Thisspecificationdoesnotcoverrecycledplastics.1.4ThevaluesstatedinSIunits2aretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportions,Sections8and9ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—Thisspecification,ISO12086–1(2006),andISO12086–2(2006)differinapproachordetail.Dataobtainedusingeithermaynotbetechnicallyequivalent.2.ReferencedDocuments2.1ASTMStandards:3D150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectricalInsulationD618PracticeforConditioningPlasticsforTestingD638TestMethodforTensilePropertiesofPlasticsD792TestMethodsforDensi...
