Designation:C449−07(Reapproved2013)StandardSpecificationforMineralFiberHydraulic-SettingThermalInsulatingandFinishingCement1ThisstandardisissuedunderthefixeddesignationC449;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversmineralfiber(rockorslag)insulatingandfinishingcementshippedindry-mixform,includinghydraulic-settingbinder,which,whenmixedwithwaterandappliedinaccordancewiththemanufacturer’sdirections,affordsasmoothsurfaceasafinalfinishforheatedsurfacesupto1200°F(649°C)forspecificapplications.Theactualtemperaturelimitshallbeagreeduponbetweenthepurchaserandthemanufacturer.NOTE1—Precautionarymeasuresshouldbetakenwiththismaterialaswithotherhydraulic-settingmixtures.Thismaterialshouldbeusedwithinthetimeperiodrecommendedbythemanufacturer.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethod(Section10)describedinthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.1.4Whentheinstallationoruseofthermalinsulationmaterials,accessories,andsystemsposesafetyorhealthproblems,themanufacturershallprovidetheuserwithappro-priatecurrentinformationregardinganyknownproblemsassociatedwiththerecommendeduseofthecompany’sproductsandshallalsorecommendprotectivemeasurestobeemployedintheirsafeutilization.Theusershallestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2...
