Designation:D3691/D3691M−09StandardPerformanceSpecificationforWoven,Lace,andKnitHouseholdCurtainandDraperyFabrics1ThisstandardisissuedunderthefixeddesignationD3691/D3691M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisperformancespecificationcoverstherequirementsforallknit,lace,foamback,stitch-bonded,conventionalweights,andsheerwovenfabricstobeusedinthemanufactureofcurtainsanddraperies.1.2Thisperformancespecificationisapplicabletoallfab-ricsexceptthosemadeofglass.1.3Forthosepropertieswherefabricdirectionispertinent,theserequirementsapplytothelengthandwidthdirectionsforwovenfabricandtoboththewaleandcoursedirectionsforknitfabric.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D231MethodsofTestingTolerancesforKnitGoods;Re-placedbyD3887(Withdrawn1980)3D1336TestMethodforDistortionofYarninWovenFabricsD1424TestMethodforTearingStrengthofFabricsbyFalling-Pendulum(Elmendorf-Type)ApparatusD2261TestMethodforTearingStrengthofFabricsbytheTongue(SingleRip)Procedure(Constant-Rate-of-ExtensionTensileTestingMachine)D2724TestMethodsforBonded,Fused,andLaminatedApparelFabricsD5034TestMethodforBreakingStrengthandElongationofTextileFabrics(GrabTest)D7023TerminologyRelatingtoHomeFurnishings2.2AATCCTestMethods...
