ProductData 033000 Cast-in-PlaceConcrete 034000 PrecastConcrete3
037000 MassConcrete
DescriptionRheocrete222+admixtureisapatentedstate-of-the-artcorrosion-inhibitingadmixtureformulatedtoinhibitthecorrosionofsteelinreinforcedconcrete.Rheocrete222+admixtureprovidestwolevelsofcorrosionprotection,makingitthemosteffectivecorrosion-inhibitingadmixtureavailable.
ApplicationsRecommendedforusein:
n
Alltypesofreinforcedconcrete,includingprecast/prestressedandpost-tensionedapplications
n Parkinggarages,bridgedecks,marinestructures,slabs, floors and
other
reinforcedconcreteapplicationsrequiringcorrosionprotectionagainstchloridesfromde-icingsaltsormarineexposure
RHEOCRETE222+Corrosion-InhibitingAdmixture
Featuresn Inhibitscorrosionatitsmostcriticalpointsn
Reducestherateatwhichchloridesandmoistureentertheconcreten Adsorbs
onto the reinforcing steel to form a corrosion-resistant protective
film
Benefitsn Extendedservicelifeofreinforcedconcretestructuresn
Premiumcorrosionprotectionbyslowingtheingressofchloridesandmoistureinto
the concrete and forming a strong, durable protective film on
the reinforcing steel
n
Effectiveincrackedconcretewheretheelementsthatcausecorrosionhavedirectaccesstothereinforcingsteel
n Increasedsulfateresistancen
Normalsetproductthatiseasilyusedinelevatedtemperatures
PerformanceCharacteristicsPlastic Properties: The plastic
properties of concrete are not significantly affected by
theuseofRheocrete222+admixture.However,ahigherthannormaldosageofair-entrainingadmixturemayberequiredtoachievedesiredaircontents.
Hardened
Properties:Dependingontheingredientsandproportionsofaconcretemixture,adecreaseincompressivestrengthmaybeexperiencedwithRheocrete222+admixture,typicallyintherangeof5to10percent.PleaseconsultyourBASFConstructionChemicalsrepresentativeforrecommendedconcretemixtureadjustmentspriortotheuseofRheocrete222+admixture.Otherhardenedpropertiesofconcretearenot
significantly affected by the use of Rheocrete 222+ admixture.
Slump and Temperature
Development:Rheocrete222+admixturehasnoeffectonslump or the
temperature development profile of concrete.
Concrete-Steel Bond
Strength:ConcretetosteelbondstrengthisnotaffectedbyRheocrete222+admixture.
GuidelinesforUseCorrosion-Inhibiting
System:Inordertocontrolcorrosioninreinforcedconcrete,theACIBuildingCode318/318R(318M/318RM)requirescertaindesignconsiderations,suchaslimitingthewater-cementitiousmaterialsratio,providingadequateconcretecoveroverreinforcingsteelandlimitingtheinitialchlorideioncontentoftheconcrete.Additionally,constructionpracticesshouldbesuchthatadense,void-freeconcreteisobtained.
InadditiontotheelementsofgoodconcretepracticerequiredbytheACIBuildingCode,BASFConstructionChemicalsrecommendsacorrosion-inhibitingsystemthatinhibitscorrosionatmultiplelevelsformaximumprotection.
TheuseofRheocrete222+admixturerestrictstheingressofchloridesandmoistureandadditionallyslowstheonsetand
rate of corrosion by forming a protective film on the
reinforcingsteel.Additionalprotectioncanbeattainedthroughtheuseofahigh-rangewater-reducingadmixturesuchasGleniumadmixturetoprovideadequateplacabilityandconsolidationatlowwater-cementitiousmaterialsratiosand/ortheuseofRheomacSFsilicafumeadmixturetofurtherreduceconcretepermeability.
Dosage:Rheocrete222+admixtureisrecommendedforuseatadosageof1gal/yd3ofconcrete(5L/m3)forallapplicationsandcorrosiveenvironments.
Rheocrete222+admixturedosedat1gal/yd3(5L/m3)isformulatedtoprovideoptimumcorrosionprotectionofreinforcedconcretestructuresinseverecorrosiveenvironments,and,thereforeprovidesexcellentcorrosionprotectioninlessseverecorrosionenvironmentsaswell.
Rheocrete222+admixtureisrecommendedforuseatasingledosageinordertoeliminatetheconfusionanduncertaintiesrelatedtodeterminingtheseverityofacorrosiveenvironmentandpredictingthechlorideexposureofthestructure.
Mixing:Rheocrete222+admixturemaybeaddedwithconcretebatchwater.Itshouldnotbemixedwithanyotheradmixturespriortobeingintroducedintotheconcretemixer.Depending
on local materials, mixing efficiency and other
conditions,theuseofthisadmixturemayrequirechangesinnormalbatchingprocedurestofacilitateairentrainment.
ProductNotesCorrosivity Non-Chloride,
Non-Corrosive:Rheocrete222+admixtureisacorrosion-inhibitingadmixtureandwillneitherinitiatenorpromotecorrosionofreinforcingandprestressingsteelembeddedinconcrete,orofgalvanizedsteel
floor and roof systems. Neither calcium chloride nor
otherchloride-basedingredientsareusedinthemanufactureofRheocrete222+admixture.
StorageandHandlingStorage
Temperature:Storeatambienttemperaturesabove35F(2C)butnotexceeding125F(52C).PrecautionsshouldbetakentoprotectRheocrete222+admixturefromfreezing.Ifproductfreezes,thawandreconstitutebymildmechanicalagitation.Do
not use pressurized air for agitation.
Shelf
Life:Rheocrete222+admixturehasaminimumshelflifeof9months.Dependingonstorageconditions,theshelflifemaybegreaterthanstated.PleasecontactyourBASFConstructionChemicalsrepresentativeregardingsuitabilityforuseanddosagerecommendationsiftheshelflifeofRheocrete222+admixturehasbeenexceeded.
PackagingRheocrete222+admixtureisavailablein55gal(208L)drums,275gal(1040L)totes,andbybulkdelivery.
RelatedDocumentsMaterialSafetyDataSheets:Rheocrete222+admixture.
AdditionalInformationForadditionalinformationonRheocrete222+admixtureoritsuseindevelopingaconcretemixturewithspecialperformancecharacteristics,contactyourBASFConstructionChemicalsrepresentative.
The Admixture Systems business of BASF Construction Chemicals is
a leading provider of innovative additives for specialty concrete
used in the ready mix, precast, manufactured concrete products,
underground construction and paving markets throughout the NAFTA
region. The Companys respected Master Builders brand products are
used to improve the placing, pumping, finishing, appearance and
performance characteristics of concrete.
ProductData:RHEOCRETE222+
BASFConstructionChemicals,LLCAdmixtureSystemswww.masterbuilders.comUnitedStates23700ChagrinBoulevard,Cleveland,Ohio44122-5544nTel:800628-9990nFax:216839-8821Canada1800ClarkBoulevard,Brampton,OntarioL6T4M7nTel:800387-5862nFax:905792-0651ConstructionResearch&TechnologyGMBH
BASFConstructionChemicals,LLC2007nPrintedinUSAn03/07nLIT#1016999nProductand/orusecoveredbyUS5262089
