Designation:C989/C989M−18aStandardSpecificationforSlagCementforUseinConcreteandMortars1ThisstandardisissuedunderthefixeddesignationC989/C989M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversslagcementforuseasacementitiousmaterialinconcreteandmortar.NOTE1—Thematerialdescribedinthisspecificationmaybeusedforblendingwithportlandcementtoproduceacementmeetingtherequire-mentsofSpecificationC595/C595Morasaseparateingredientinconcreteormortarmixtures.Thematerialmayalsobeusefulinavarietyofspecialgroutsandmortars,andwhenusedwithanappropriateactivator,astheprincipalcementitiousmaterialinsomeapplications.NOTE2—InformationontechnicalaspectsoftheuseofthematerialdescribedinthisspecificationiscontainedinAppendixX1,AppendixX2,andAppendixX3.MoredetailedinformationonthatsubjectiscontainedinACI233R-17.21.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.ValuesarestatedinonlySIunitswheninch-poundunitsarenotusedinpractice.1.3Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatoryinformation.Thesenotesandfoot-notes(excludingthoseintables)shallnotbeconsideredasrequirementsofthisstandard.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsdescribedinthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafety,health,andenviron-mentalpracticesanddeterminetheapplicabilityofregulat...
