Designation:D1601−18StandardTestMethodforDiluteSolutionViscosityofEthylenePolymers1ThisstandardisissuedunderthefixeddesignationD1601;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthedilutesolutionviscosityofethylenepolymersat135°C.Itisappli-cabletoareasonablywidespectrumofethylenepolymershavingdensitiesfrom0.910to0.970g/cm2.Directionsaregivenforthedeterminationofrelativeviscosity(viscosityratio),inherentviscosity(logarithmicviscositynumber),andintrinsicviscosity(limitingviscositynumber).1.2ThevaluesasstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3.1Warning—Mercuryhasbeendesignatedbymanyregulatoryagenciesasahazardousmaterialthatcancauseseriousmedicalissues.Mercury,oritsvapor,hasbeendemonstratedtobehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableproductSafetyDataSheet(SDS)foradditionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontain-ingproductsintoyourstateorcountrymaybeprohibitedbylaw.NOTE1—ThisstandardisequivalenttoISO1628-3.NOTE2—AppendixX1–AppendixX3containmaterialfromthepreviousversionofTestMethodD1601andareincludedforinformationonly.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2...
