Designation:F146−12(Reapproved2019)´1StandardTestMethodsforFluidResistanceofGasketMaterials1ThisstandardisissuedunderthefixeddesignationF146;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.ε1NOTE—EditorialchangesincorporatedthroughoutinMay2019.1.Scope1.1Thesetestmethodscoverthedeterminationoftheeffectonphysicalpropertiesofnonmetallicgasketingmaterialsafterimmersionintestfluids.ThetypesofmaterialscoveredareType1,Type2,Type3,andType7asdescribedinClassifi-cationF104.Thesetestmethodsarenotapplicabletothetestingofvulcanizedrubber,aprocedurethatisdescribedinTestMethodD471.Itisdesignedfortestingspecimenscutfromgasketingmaterialsorfromfinishedarticlesofcom-merce.Thesetestmethodsmayalsobeusedasapre-treatmentforMulti-LayerSteel,MLS,orMetalLayerGasketmaterialsadhesiontestingperTestMethodsD3359.Thepre-treatmentofMLSorMetalLayerGasketmaterialspertainsonlyasapre-cursortotheadhesiontest.OtherphysicalpropertytestsdescribedinthisstandardarenotapplicabletoMLSorMetalLayerGasketmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareforinforma-tiononly.1.3RefertothecurrentMaterialSafetyDataSheet(MSDS)andanyprecautionarylabelingprovidedbythesupplierofanymaterialsreferredtointhesetestmethods.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbyt...
