Designation:C332−17StandardSpecificationforLightweightAggregatesforInsulatingConcrete1ThisstandardisissuedunderthefixeddesignationC332;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverslightweightaggregatesin-tendedforuseinconcretenotexposedtotheweather,inwhichtheprimeconsiderationisthethermalinsulatingpropertyoftheresultingconcrete.1.2Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.3Withregardtosievesizeandthesizeofaggregateasdeterminedbytheuseoftestingsieves,thevaluesininch-poundunitsareshownfortheconvenienceoftheuser;however,thestandardsievedesignationshowninparenthesesisthestandardvalueasstatedinSpecificationE11.1.3.1Withregardtootherunitsofmeasure,thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section7,ofthespecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C29/C29MTestMethodforBulkDensity(“UnitWeigh...
