Designation:D3965−11StandardClassificationSystemandBasisforSpecificationsforRigidAcrylonitrile-Butadiene-Styrene(ABS)MaterialsforPipeandFittings1ThisstandardisissuedunderthefixeddesignationD3965;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1ThisclassificationsystemcoversmaterialsmadefromonlyvirginABSpolymersandblendsofABSpolymerssuitableforuseintheextrusionofpipeandmoldingoffittings.1.2Therequirementsofthisclassificationsystemareappli-cableonlytotheABSpolymersandblendsofABSpolymersasclassifiedanddonotaddresstherequirementsofthefinishedpipeorfittings.TheapplicableASTMstandardspecificationforpipeorfittingsshallbeconsultedfortheirrequirements.1.3ThisclassificationsystemexcludesABSpolymersandblendsofABSpolymersmadefromreprocessed,regrind,reclaimed,orrecycledmaterials.ABSrework,generatedin-housebytheoriginalplasticmanufacturer,maybeusedbythatoriginalmanufacturer,providedtheABSproductshippedmeetsthephysicalandmechanicalpropertiesrequiredbyitscalloutinTable1.1.4Thisclassificationsystemandsubsequentlinecallout(specification)providesameansfordescribingABSmaterialsusedinthemanufactureofpipeandfittings.Itisnotintendedfortheselectionofmaterials.Materialselectionshallbemadebythosehavingexpertiseintheplasticsfieldaftercarefulconsiderationofthedesignandtheperformancerequiredofthepart,theenvironmenttowhichitwillbeexposed,thefabrica-tionprocesstobeemployed,theinherentpropertiesofthematerialotherthanthosecoveredbythisclassificationsystem,andtheeconomics.1.5Thisclassificationsystemandsubsequentlinecallout(specification)providesfortheclassificationofABSpolymersandblendsofABSpolymersintogroupsbasedonfiveproperties:Izodimpactstrengthatroomtemperature,Izodimpactstrengthatlowtemperature,deflectiontemperatureunderload,tensilestressatyieldpoint,andmodulusofelasticityint...
