Designation:C796/C796M−12StandardTestMethodforFoamingAgentsforUseinProducingCellularConcreteUsingPreformedFoam1ThisstandardisissuedunderthefixeddesignationC796/C796M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thistestmethodfurnishesawayofmeasuring,inthelaboratory,theperformanceofafoamingchemicaltobeusedinproducingfoam(aircells)formakingcellularconcrete.1.2Thistestmethodincludesthefollowing:1.2.1Manufactureoflaboratoryquantitiesofcellularcon-crete.1.2.2Determinationoftheaircontentofthefreshlypre-paredcellularconcreteandofthehardenedconcreteafterhandlinginconventionalmachinery.1.2.3Determinationofthefollowingpropertiesofthehardenedconcrete:compressivestrength,tensilesplittingstrength,density,andwaterabsorption.Itmaynotbenecessarytostudyalloftheabovepropertiesinallcases,dependingontheproposeduseofthematerial.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.5Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.2.ReferencedDocuments2.1ASTMStandards:2C88TestMethodforSoundnessofAggregatesbyUseofSodiumSulfateorMagnesiumSulfateC150SpecificationforPortlandCementC192/C192MPracticeforMakingandCuringConcre...
