Designation:D1200−10(Reapproved2018)StandardTestMethodforViscositybyFordViscosityCup1ThisstandardisissuedunderthefixeddesignationD1200;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheviscos-ityofNewtonianornear-Newtonianpaints,varnishes,lacquers,andrelatedliquidmaterialswiththeFord-typeeffluxviscositycup.Ifthematerialisnon-Newtonian,thatis,shear-thinningorthixotropic,TestMethodD2196shouldbeused.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D2196TestMethodsforRheologicalPropertiesofNon-NewtonianMaterialsbyRotationalViscometerE1SpecificationforASTMLiquid-in-GlassThermometers3.Terminology3.1Definitions:3.1.1Newtonianliquid,n—aliquidinwhichtheviscosityisindependentoftheshearstressorshearrate.Iftheratioofshearstresstoshearrateisnotconstant,theliquidisnon-Newtonian.3.1.2Near-Newtonianliquid,n—aliquidinwhichthevariationofviscositywithshearrateissmallandtheeffectonviscosityofmechanicaldisturbancessuchasstirringisnegli-gible.4.SummaryofTestMethod4.1TheFordviscositycupisfilledlevelfullwiththeliquidundertest,andthetim...
