BS EN 20811-1992 纺织纤维.耐水渗透性的测定.静水压试验

BRITISHSTANDARDBSEN20811:1992ISO811:1981IncorporatingAmendmentNo.1Textiles—Determinationofresistancetowaterpenetration—HydrostaticpressuretestTheEuropeanStandardEN20811:1922hasthestatusofaBritishStandardUDC677.0741.076:677.017.63:620.1BSEN20811:1992ThisBritishStandard,havingbeenpreparedunderthedirectionoftheFibres,YarnsandFabricsStandardsCommittee,waspublishedundertheauthorityoftheBoardofBSIandcomesintoeffecton31March1982©BSI02-2000FirstpublishedFebruary1957FirstrevisionOctober1968SecondrevisionThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceTCM/25Draftforcomment79/36054DCISBN0580126781CooperatingorganizationsTheFibres,YarnsandFabricsStandardsCommittee,underwhosedirectionthisBritishStandardwasprepared,consistsofrepresentativesfromthefollowing:AssociationofJuteSpinnersandManufacturersBritishNonwovenManufacturers’AssociationBritishRailwaysBoardBritishTextileEmployers’Association*CentralCounciloftheIrishLinenIndustryConsumerStandardsAdvisoryCommitteeofBSIDepartmentofIndustry(ChemicalsandTextiles)InstituteofPurchasingandSupplyInternationalWoolSecretariat*KnittingIndustriesFederationLtd.*ManchesterChamberofCommerceandIndustryMan-madeFibresProducer’sCommittee*MinistryofDefence*NarrowFabricsFederationTextileInstitute*WarpKnittersAssociationLtd.Theorganizationsmarkedwithanasteriskintheabovelist,togetherwiththefollowing,weredirectlyrepresentedontheTechnicalCommitteeentrustedwiththepreparationofthisBritishStandard:ConfederationofBritishWoolTextilesLimitedHollingsCollegefortheFoodandFashionIndustriesManchesterChamberofCommerce(TestingHouseandLaboratories)SoapandDetergentIndustryAssociationSocietyofDyersandColouristsSocietyofMotorManufacturersandTradersLimitedTextileResearchCouncilAmendmentsissuedsincepublicationAmd.No.DateofissueComments7006November1992IndicatedbyasidelineinthemarginBSEN20811:1992©BSI02-2000iContentsPageCooperatingorganizationsInsidefrontcoverNationalforewordiiForeword21Scopeandfieldofapplication32Reference33Principle34Apparatus35Conditioning36Testspecimens37Testprocedure38Calculationandexpressionofresults49Testreport4AnnexAdviceonconductingthetest5PublicationreferredtoInsidebackcoverBSEN20811:1992ii©BSI02-2000NationalforewordThisrevisionofBS2823hasbeenpreparedunderthedirectionoftheFibres,YarnsandFabricsStandardsCommittee,andisidenticalwithISO811:1980“Textilefabrics—Determinationofresistancetowaterpenetration—Hydrostaticpressuretest”publishedbytheInternationalOrganizationforStandardization(ISO).BS2823:1968isthereforewithdrawn.In1992theEuropeanCommitteeforStandardization(CEN)acceptedISO811:1981asEuropeanStandardEN20811:1992.AsaconsequenceofimplementingtheEuropeanStandardthisBritishStandardisrenumberedasBSEN20811andanyreferencetoBS2823shouldbereadasareferencetoBSEN20811.Terminologyandconventions.ThetextoftheInternationalStandardhasbeenapprovedassuitableforpublication,asaBritishStandard,withoutdeviation.SometerminologyandcertainconventionsarenotidenticalwiththoseusedinBritishStandards;attentionisespeciallydrawntothefollowing.Wherethewords“InternationalStandard”appear,theyshouldbereadas“BritishStandard”.Thecommahasbeenusedthroughoutasadecimalmarker.InBritishStandardsitiscurrentpracticetouseafullpointonthebaselineasthedecimalmarker.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.Cross-referenceInternationalStandardCorrespondingBritishStandardISO139:1973BSEN20139:1992Textiles—Standardatmospheresforconditioningandtesting(Identical)SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to6,aninsidebackcoverandabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN20811June1992UDC677.0741.076:677.017.63:620.1Descriptors:Textiles,fabrics,tests,waterresistancetests,fluid-tightnesstests,hydrostaticpressure,pressuremeasurementEnglishversionTextiles—Determinationofresistancetowaterpenetration—HydrostaticpressuretestEtoffes—Déterminationdelarésistanceàlapénétrationdel’eau—EssaisouspressionhydrostatiqueTextilien—BestimmungdesWiderstandesgegendasDurchdringenvonWasser—HydrostatischerDruckversuchThisEuropeanStandardwasapprovedbyCENon1992-06-26.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Denma