Designation:D1601−12StandardTestMethodforDiluteSolutionViscosityofEthylenePolymers1ThisstandardisissuedunderthefixeddesignationD1601;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthedilutesolutionviscosityofethylenepolymersat135°C.Itisappli-cabletoareasonablywidespectrumofethylenepolymershavingdensitiesfrom0.910to0.970g/cm2.Directionsaregivenforthedeterminationofrelativeviscosity(viscosityratio),inherentviscosity(logarithmicviscositynumber),andintrinsicviscosity(limitingviscositynumber)(seeAppendixX4).1.2ThevaluesasstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThistestmethodistechnicallyequivalenttoISO1628-3.NOTE2—AppendixX1–AppendixX3containmaterialfromthepreviousversionofTestMethodD1601andareincludedforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2D86TestMethodforDistillationofPetroleumProductsatAtmosphericPressureD445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD4020SpecificationforUltra-High-Molecular-WeightPoly-ethyleneMoldingandExtrusionMaterialsE1SpecificationforASTMLiquid-in-GlassThermometersIEEE/ASTMSI-10StandardforUseoftheInternationalSystemofUnits(SI):TheModernMetricSystem2.2ISOStandards:3ISO1628-3Plastics—DeterminationofViscosityNumberandLimitingViscosityNumber—Part3:PolyethylenesandPolypropylenes3.Terminology3.1Units,symbols,andabbreviationsusedinthistestmethodarethoserecommendedinIEEE/ASTMSI-10andTermin...
