Designation:C226−12StandardSpecificationforAir-EntrainingAdditionsforUseintheManufactureofAir-EntrainingHydraulicCement1ThisstandardisissuedunderthefixeddesignationC226;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationcoverstherequirementsandmethodsforestablishingthesuitabilityofamaterialforuseasanair-entrainingadditiontobeintergroundwiththeclinkerinthemanufactureofair-entraininghydrauliccementconformingtoSpecificationsC150,C595,andC1157.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.(Warning—Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.2)2.ReferencedDocuments2.1ASTMStandards:3C33SpecificationforConcreteAggregatesC39/C39MTestMethodforCompressiveStrengthofCylin-dricalConcreteSpecimensC109/C109MTestMethodforCompressiveStrengthofHydraulicCementMortars(Using2-in.or[50-mm]CubeSpecimens)C114TestMethodsforChemicalAnalysisofHydraulicCementC115TestMethodforFinenessofPortlandCementbytheTurbidimeterC138/C138MTestMethodforDensity(UnitWeight),Yield,andAirContent(Gravimetric)ofConcreteC143/C143MTestMethodforSlumpofHydraulic-CementConcreteC150SpecificationforPortlandCementC151TestMethodforAutoclaveExpansionofHydraulicCementC175SpecificationforAir-EntrainingPortlantCement;Re-placedbyC150(Withdrawn1970)4C185TestMethodforAirContentofHydraulicCementMortarC187TestMethodforAmountofWaterRequiredforNor-malConsistencyofHydraulicCementPasteC191TestMethodsforTimeofSettingofHydraulicC...
