Designation:D751−19StandardTestMethodsforCoatedFabrics1ThisstandardisissuedunderthefixeddesignationD751;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscover,butarenotlimitedto,rubber-coatedfabrics,thatis,tarpaulins,rainwear,andsimilarproducts.1.2Thescopeofeachofthesetestmethodsappearsinthesectioninwhichthetestmethodisdescribed.1.3Thetestmethodsappearinthefollowingsections:TestMethodSectionDimensionsandMass7–10BreakingStrength11ProcedureA—GrabTestMethod12–15ProcedureB—CutStripTestMethod16Elongation17BurstingStrength18ProcedureA–BallBurstMethod19–22ProcedureB–DiaphragmBurstMethod23–26PunctureResistance27–30TearingStrength31ProcedureA—PendulumMethod32ProcedureB—TongueTearMethod33–36TrapezoidalTear37–40HydrostaticResistance41ProcedureA—MullenTypeTester42–45ProcedureB—RisingWaterColumnTester46–49AdhesionCoating(toFabrics)50–53StrengthofCoating54–58Tack-TearResistance59–63LowTemperatureBendTest64LowTemperatureImpactTest65Low-TemperatureCrackResistance66–70SeamStrength71–76AcceleratedHeatAging(OvenMethod)77–84DeadLoadSeamStrength85–88BlockingResistanceatElevatedTemperatures89–93CrushResistance94–98WickingofCoatedCloth99–1021.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentof...