Designation:D1430−11StandardClassificationSystemforPolychlorotrifluoroethylene(PCTFE)Plastics1ThisstandardisissuedunderthefixeddesignationD1430;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisclassificationsystemcoverspolychlorotrifluoroeth-ylene(PCTFE)plasticsthatconsistofatleast90%chlorotri-fluoroethyleneandaresuitableforextrusionandforcompres-sionandinjectionmolding.Additionalcomponentsallowforchemicalmodifications,suchasco-monomers,butnotcolorants,fillers,plasticizers,ormechanicalblendswithotherresins.ThisclassificationsystemdoesnotcoverrecycledPCTFEmaterials.1.2ThephysicalandelectricalpropertiesofpartsmoldedorextrudedfromPCTFEmoldingcompoundsvarywiththecrystallinecontentobtainedduringprocessingandsubsequentannealing.Accordingly,thenumericalvalueslistedinTable1applyonlytothetestspecimensmoldedinaccordancewithSection8.Thesevaluesarenotapplicableasdesigncriteriatosemi-finishedandfinishedpartspreparedandannealedunderotherconditions.1.3ThevaluesstatedinSIunitsasdetailedinIEEE/SI-10aretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thefollowingprecautionarystatementpertainsonlytothetestmethodsportion,Section10,ofthisclassificationsystem:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—AlthoughthisclassificationsystemandISO12086-1(1995)andISO12086-2(1995)differinapproachordetail,dataobtainedusingeitheraretechnicallyequivalent.2.ReferencedDocuments2.1ASTMStandards:2D150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectr...
