Designation:D5021–00StandardSpecificationforThermoplasticElastomer–ChlorinatedEthyleneAlloy(TECEA)1ThisstandardisissuedunderthefixeddesignationD5021;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisspecificationisintendedtobeameansofcallingoutmaterialsusedinthefabricationofenditemsorparts.Itisnotintendedfortheselectionofmaterials.Materialselectionshouldbemadebythosehavingexpertiseintheplasticsfieldaftercarefulconsiderationofthedesignandtheperformancerequiredofthepart,theenvironmenttowhichitwillbeexposed,thefabricationprocesstobeemployed,theinherentpropertiesofthematerialsotherthanthosecoveredbythisspecification,andtheeconomics.1.Scope*1.1Thisspecificationcoversalloysofchlorinatedethyleneelastomerssuitableforinjectionmolding,extrusion,blowmolding,thermoforming,andotherplasticsprocessingmeth-ods.1.2ThisspecificationallowsfortheuseofthoseTECEAmaterialsthatcanberecycled,regrounded,andreprocessed,providedthattherequirementsasstatedinthisspecificationaremet.Theproportionsofrecycledmaterialused,aswellasthenatureandamountofanycontaminant,however,cannotbecoveredpracticallyinthisspecification.1.3Thepropertiesincludedinthisspecificationarethoserequiredtoidentifythecompositionscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacter-isticsimportanttospecializedapplication.Theseshallbeagreeduponbetweentheuserandthesupplier,byusingthesuffixesgiveninSection5.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thepractices,asdetailedinPracticeIEEE/ASTMSI10,areincorporatedherein.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandheal...
