Designation:D1562−22StandardClassificationSystemandBasisforSpecificationforCelluloseAcetatePropionateMoldingandExtrusionCompounds(CAP)1ThisstandardisissuedunderthefixeddesignationD1562;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisclassificationsystemcoversrequirementsforplas-ticizedcelluloseacetatepropionatethermoplasticcompoundssuitableforinjectionmoldingandextrusion.Thesecompoundshaveapropionylcontentlessthan48%andanacetylcontentlessthan3%andcancontaindyesandpigments.Cellulosicplasticmaterials,beingthermoplastic,arereprocessableandrecyclable.Thisclassificationsystemallowsfortheuseofthosecellulosicmaterials,providedthatallspecificrequire-mentsofthisclassificationsystemaremet.1.2Thepropertiesincludedinthisclassificationsystemarethoserequiredtoidentifythecompositionscovered.OtherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecializedapplicationsarespecifiedbyusingthesuffixesasgiveninSection5.1.3Thisclassificationsystemandsubsequentlinecalloutspecificationareintendedtoprovideameansofcallingoutplasticmaterialsusedinthefabricationofenditemsorparts.Itisnotintendedfortheselectionofmaterials.Materialselectioncanbemadebythosehavingexpertiseintheplasticfieldonlyaftercarefulconsiderationofthedesignandperfor-mancerequiredofthepart,environmenttowhichitwillbeexposed,fabricationprocesstobeemployed,costsinvolved,andinherentpropertiesofthematerialotherthanthosecoveredbythisclassificationsystem.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodportion,Section11,ofthisclassificationsystem.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuse...
