Designation:D1330−04(Reapproved2015)´1StandardSpecificationforRubberSheetGaskets1ThisstandardisissuedunderthefixeddesignationD1330;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.ε1NOTE—Editoriallycorrected9.1.2and9.1.3inJune2015.1.Scope1.1Thisspecificationcoversgasketscutfromsheetrubberthatareintendedforgeneralgasketapplicationsonwater,air,andlow-pressuresteam.Theyarenotintendedforusewithoilsandstrongacids.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.2.ReferencedDocuments2.1ASTMStandards:2D395TestMethodsforRubberProperty—CompressionSetD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD573TestMethodforRubber—DeteriorationinanAirOvenD865TestMethodforRubber—DeteriorationbyHeatinginAir(TestTubeEnclosure)D1415TestMethodforRubberProperty—InternationalHardnessD2240TestMethodforRubberProperty—DurometerHard-nessD3182PracticeforRubber—Materials,Equipment,andPro-ceduresforMixingStandardCompoundsandPreparingStandardVulcanizedSheetsD3183PracticeforRubber—PreparationofPiecesforTestPurposesfromProducts3.MaterialsandManufacture3.1Compoundsfurnishedunderthisspecificationshallbemanufacturedfromnaturalrubber,reclaimedrubber,syntheticrubber,ormixturesthereof,togetherwithaddedcompoundingmaterials.Thecompoundshallbesuitablyvulcanized.Thematerialshallbeofauniformqualityandthickness,andshallhaveasmoothorfinefabricsurface.4.Color4.1Thematerialshallberedorblackasspecified.5.PhysicalProperties5.1ThismaterialshallconformtotherequirementsastophysicalpropertiesprescribedinTable1.GasketsforcontactwithwatershallconformtoGradeIrequirements,gasketsforcontactonlywithairshallconformtoGradeII,andgasketsforcontactwithlow-pressuresteamshallconformtoGradeIII.6.DimensionalTolerances6.1...