Designation:D4486−18StandardTestMethodforKinematicViscosityofVolatileandReactiveLiquids1ThisstandardisissuedunderthefixeddesignationD4486;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthemeasurementofkinematicviscosityoftransparent,Newtonianliquidswhichbecauseoftheirreactivity,instability,orvolatilitycannotbeusedinconventionalcapillarykinematicviscometers.Thistestmethodisapplicableupto2×10−5N/m2(2atm)pressureandtem-peraturerangefrom−53°Cto+135°C(−65°Fto+275°F).1.1.1Forthemeasurementofthekinematicviscosityofotherliquids,seeTestMethodD445.Thedifferencebetweenthetwomethodsisintheviscometers.TheviscometersspecifiedinusedSpecificationD446areopentotheatmosphere,whiletheviscometersinthismethodaresealed.Whenvolatileliquidsaremeasuredinsealedviscometers,thedensityofthevapormaynotbenegligiblecomparedwiththedensityoftheliquidandtheworkingequationoftheviscom-eterhastoaccountforthat.SeeSection11fordetails.1.2WARNING—Mercuryhasbeendesignatedbymanyregulatoryagenciesasahazardoussubstancethatcancauseseriousmedicalissues.Mercury,oritsvapor,hasbeendem-onstratedtobehazardoustohealthandcorrosivetomaterials.UseCautionwhenhandlingmercuryandmercury-containingproducts.SeetheapplicableproductSafetyDataSheet(SDS)foradditionalinformation.Thepotentialexiststhatsellingmercuryormercury-containingproducts,orboth,isprohibitedbylocalornationallaw.Usersmustdeterminelegalityofsalesintheirlocation.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.2,7.3,7.4,andAnnexA1.1.4Thisinternationalstandardwasdevelopedinaccor-d...
