Designation:D5275−11StandardTestMethodforFuelInjectorShearStabilityTest(FISST)forPolymerContainingFluids1ThisstandardisissuedunderthefixeddesignationD5275;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthemeasurementofthepercentviscositylossat100°Cofpolymer-containingfluidsusingfuelinjectorshearstabilitytest(FISST)equipment.Theviscositylossreflectspolymerdegradationduetoshearatthenozzle.NOTE1—TestMethodD2603hasbeenusedforsimilarevaluationofthisproperty.Ithasmanyofthesamelimitationsasindicatedinthesignificancestatement.Nodetailedattempthasbeenundertakentocorrelatetheresultsbythesonicandthedieselinjectormethods.NOTE2—ThistestmethodwasoriginallypublishedasProcedureBofTestMethodsD3945.TheFISSTmethodwasmadeaseparatetestmethodaftertestsofaseriesofpolymer-containingfluidsshowedthatProceduresAandBofTestMethodsD3945oftengivedifferentresults.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1Exception—PSIismentionedinparenthesesforin-strumentsthathaveonlyPSIgauges.Horsepower,HP,islistedinparenthesessincethemotorlabelsdisplaythisvalue.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:2D445TestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscos-ity)D2603TestMethodforSonicShearStabilityofPolymer-ContainingOilsD3945TestMethodforSheerStabilityofPloymer-ContainingFluidsUsingaDieselInjectorNozzle(With-drawn1998)33.SummaryofTestMethod3.1Thepolymer-containingfluidispassedth...
