9009276O024833453WDesignation:D2146-824CTtAMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceSt.,Philadelphia,Pa.19103ReprintedfromtheAnnualBookofASTMStandards,CopyrightASTMIfnotlistedinthecurrentcombinedindex,willappearinthenextedition.StandardSpecificationforPROPYLENEPLASTICMOLDINGANDEXTRUSIONMATERIALS'ThisstandardisissuedunderthefixeddesignationD2146;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecasxofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriplepsilon(E)indicatesaneditorialchangesincethelastrevisionorreapproval.1.scope1.1Thisspecificationcoversrequirementsforpropylenemoldingandextrusionmaterialscompoundedwithorwithouttheadditionofmodifiers,colorants,stabilizers,orlubricants.Itprovidesfortheiridentificationinsuchamannerthattheseilerandthepurchasercanagreeonthesubstantialsimilarityofdifferentcommerciallotsorshipments.Itisnotthefunctionofthisspecificationtoprovideengi-neeringordesigndata.NOTEI-Thepropertiesincludedinthisspecifi-cationarethoserequiredtoidentifythetypesofmoldingandextrusionmaterialcovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristics.Thesewillbeaddedtothescifica-tionastheirinclusionbecomesenerally&rableandthenecessarytestdataantmethodsbecameavailable.2.ApplicableDocuments2.1ASTMStandardr:D256TestsforImpactResistanceofPlasticsD257TestsforD-CResistanceorConduct-D618ConditioningPlasticsandElectricalD621TestsforDeformationofPlasticsUn-D638TestforTensilePropertiesofPlastics4D759RecommendedPracticeforConduct-ingPhysicalPropertyTestsofPlasticsatSubnormalandSupernormalTempera-ture~~D792TestsforSpecificGravityandDensityofPlasticsbyDisplacement4D1238TestforFlowRatesofTher-moplasticsbyExtrusionPlastometer'andElectricalInsulatingMaterials'anceofInsulatingMaterials'InsulatingMaterialsforTesting3derLoad'D1505TestforDensityofPlasticsbytheDensity-GradientTechnique'D1531TestforDielectricConstantandDis-sipationFactorofPolyethylenebyLiquidDisplacementProced...