Designation:D5125–97(Reapproved2005)StandardTestMethodforViscosityofPaintsandRelatedMaterialsbyISOFlowCups1ThisstandardisissuedunderthefixeddesignationD5125;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoftheflowtime(viscosity)ofNewtonianandnear-Newtonianpaints,andrelatedcoatingsandproductsusingISOcapillaryflowcups.NOTE1—Iftheliquidisnon-Newtonian,thatisshear-thinningorthixotropic,TestMethodsD2196shouldbeused.1.2Thecup-orificecombination(ISOcupwithorificediameterof3mm,4mm,5mm,or6mm)2isselectedtoprovideaneffluxtimewiththerangeof20to100sandviscositiesupto700cSt(700mm2/s).Themostcommonlyusedcupistheonewiththe4-mmorifice.1.3Thistestmethodislimitedtotestingmaterialsforwhichthebreakpointoftheflowfromtheorificeoftheflowcupcanbedeterminedwithcertainty.Thispointisdifficulttodeter-mineandreproduceformaterialswithflowtimesinexcessof100sduetoslowing-downeffects.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE2—TheInternationalCivilAviationOrganization(ICAO)andtheInternationalMaritimeOrganization(IMO)includeintheirregulationsasimilartest(ISO2431)todeterminetheviscosityofhazardousviscousliquids.Theviscosityisthenusedtoplacetheseliquidsinahazardpackaginggroupdependingontheirviscosity/flashpointrelationship.TheU.S.DepartmentofTransportationpermitstheuseoftheseregulationsfortranshipmentofhazardousmaterialwithintheU.S.whenboundforforeigndestinations.2.ReferencedDocuments2.1ASTMStandards:3D2196TestMethodsforRheologicalPropertiesofNon-New...
