Designation:D70/D70M−21StandardTestMethodforSpecificGravityandDensityofSemi-SolidAsphaltBinder(PycnometerMethod)1ThisstandardisissuedunderthefixeddesignationD70/D70M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationofthespecificgravity(relativedensity)anddensityofsemi-solidasphaltbinderbyuseofapycnometer.NOTE1—AnalternatemethodfordeterminingthespecificgravityordensityofasphaltbinderisTestMethodD3289.AnalternatemethodfordeterminingdensityofasphaltbinderisTestMethodD8188.Formaterialswhicharetoofluidforuseofthistestmethod,useTestMethodD3142/D3142M.NOTE2—Thistestmethodmayalsobeusedforthedeterminationofthespecificgravity(relativedensity)anddensityofsofttarpitches.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Warning—MercuryhasbeendesignatedbytheUnitedStatesEnvironmentalProtectionAgency(EPA)andmanystateagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidney,andliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercury-containingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)orSafetyDataSheet(SDS)fordetailsandtheEPA’swebsite(www.epa.gov/mercury/faq.htm)foradditionalinformation.Usersshouldbeawarethatsellingmercury,mercury-containingproducts,orboth,inyourstatemaybeprohibitedbystatelaw.1.4Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbecons...