Designation:D3676−18StandardSpecificationforRubberCellularCushionUsedforCarpetorRugUnderlay1ThisstandardisissuedunderthefixeddesignationD3676;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcovershigh-densitycellularrubberadheredtocarpetandrugs.Thisspecificationcanalsobeappliedtovarioussubstrates,suchasblownspongerubber,usedindependentlyascarpetunderlay.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D395TestMethodsforRubberProperty—CompressionSetD573TestMethodforRubber—DeteriorationinanAirOvenD751TestMethodsforCoatedFabricsD883TerminologyRelatingtoPlasticsD1056SpecificationforFlexibleCellularMaterials—SpongeorExpandedRubberD3574TestMethodsforFlexibleCellularMaterials—Slab,Bonded,andMoldedUrethaneFoamsD3767PracticeforRubber—MeasurementofDimensionsD6576SpecificationforFlexibleCellularRubberChemi-callyBlown2.2FederalStandard:Fed.Std.No.191TextileTestMethods,Method5100—BreakingStrengthandElongationofWovenCloth;GrabMethod33.Terminology3.1Definitions—Fordefinitionsusedinthistestmethod,refertoTerminologyD883.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1rubber—amaterialthatiscapableofrecoveringfromlargedeformationsquicklyandforcibly,andcanbe,oralreadyis,...
