Designation:D6835−08(Reapproved2014)StandardClassificationSystemforThermoplasticElastomer-Ether-EsterMoldingandExtrusionMaterials(TEEE)1ThisstandardisissuedunderthefixeddesignationD6835;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisclassificationsystemcoverssegmentedblockcopolyether-esterelastomerssuitableformoldingandextru-sion.1.2Thisclassificationsystemallowsfortheuseofseg-mentedblockcopolyether-esterelastomersthatarerecycledprovidedthattherequirementsasstatedinthisclassificationsystemaremet.Theproportionsofrecycledmaterialused,aswellasthenatureandamountofanycontaminant,however,cannotbecoveredpracticallyinthisspecification.1.3Thepropertiesincludedinthisclassificationsystemarethoserequiredtoidentifythecompositionscovered.Itispossiblethatthereareotherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecializedapplications.OnewayofspecifyingthemisbyusingthesuffixesasgiveninSection5.1.4Thisclassificationsystemandsubsequentlinecallout(specification)areintendedtoprovideameansofcallingoutplasticmaterialsusedinthefabricationofenditemsorparts.Itisnotintendedfortheselectionofmaterials.Materialselectionisbestmadebythosehavingexpertiseintheplasticfieldaftercarefulconsiderationofthedesignandtheperfor-mancerequiredofthepart,theenvironmenttowhichitwillbeexposed,thefabricationprocesstobeemployed,thecostsinvolved,andtheinherentpropertiesofthematerialotherthanthosecoveredbythisclassificationsystem.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section11,ofthisclassificationsystem.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestab...
