Designation:C166−05(Reapproved2016)StandardTestMethodforCoveringCapacityandVolumeChangeUponDryingofThermalInsulatingCement1ThisstandardisissuedunderthefixeddesignationC166;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Wetcoveringcapacityandvolumechangeupondryingareoftenofmajorimportanceintheapplicationofthermalinsulatingcement.Thesepropertiescanbeeasilydeterminedatthesametimethatthedeterminationsofdrycoveringcapacityaremade.Therefore,theproceduresfordeterminingthesethreepropertiesarecoveredtogetherinthistestmethod.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C163PracticeforMixingThermalInsulatingCementSamplesC168TerminologyRelatingtoThermalInsulation3.Terminology3.1drycoveringcapacity—theareacoveredin“ft2,1in.inthickness/100lbofdrycement”(m2,1cminthickness/100kgofdrycement)afterthewetcementhasbeenmoldedanddriedtoconstantweightinaccordancewithSection6.3.2volumechangeupondrying—thepercentagechangeinvolumeofthewetmoldedcementthatoccurswhenthedrycementismixedwiththerecommendedamountofwater,molded,anddriedtoconstantweightinaccordancewithSection6.3.3wetcoveringcapacity—theareacoveredin“ft2,1in.inthickness/100lbofdrycement”(m2,1cminthickness/100kgofdrycement)whenthecementismixedwiththerecom-mendedamountofwaterandmoldedinaccordancewithSection6.3.4DefinitionsinTerminologyC168shallbeconsideredasapplyingtothetermsusedinthistestmethod.4.S...
