BS 3424-12

BRITISHSTANDARDBS3424-12:1996ISO1419:1995IncorporatingAmendmentsNos.1and2Testingcoatedfabrics—Part12:AcceleratedageingtestsICS59.080.40

 
 CopyrightBritishStandardsInstitutionProvidedbyIHSunderlicensewithBSINotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,`,-`-`,,`,,`,`,,`---BS3424-12:1996ThisBritishStandard,havingbeenpreparedunderthedirectionoftheSectorBoardforMaterialsandChemicals,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15May1996©BSI18September2002FirstpublishedMay1990SecondeditionMay1996ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferencePRI/78Draftforcomment92/41757DCISBN0580256189CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteePRI/78,Coatedfabrics,uponwhichthefollowingbodieswererepresented:TheBritishApparelandTextileConfederationBritishPlasticsFederationBritishRailwaysBoardBritishRubberManufacturers’AssociationBritishTextileTechnologyGroupDepartmentofHealthDepartmentoftheEnvironment(BuildingResearchEstablishment)FurnitureIndustryResearchAssociationRapraTechnologyLtd.HomeOfficeMade-UpTextileAssociationSATRAFootwearTechnologyCentreSafetyEquipmentAssociationSocietyofMotorManufacturersandTradersLtd.AmendmentsissuedsincepublicationAmd.No.DateComments10276November1998Nationalforewordamended1392718September2002SeenationalforewordCopyrightBritishStandardsInstitutionProvidedbyIHSunderlicensewithBSINotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,`,-`-`,,`,,`,`,,`---BS3424-12:1996©BSI18September2002iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiIntroduction11Scope12Normativereferences13Clausedeleted14Clausedeleted15Clausedeleted16MethodD:Ageingtestfornitrocellulose-typecoatings2CopyrightBritishStandardsInstitutionProvidedbyIHSunderlicensewithBSINotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,`,-`-`,,`,,`,`,,`---BS3424-12:1996ii©BSI18September2002NationalforewordThisPartofBS3424hasbeenpreparedbyTechnicalCommitteePRI/78,andisderivedfromISO1419:1995,Rubberorplasticscoatedfabrics—Accelerated-ageingtests,publishedbytheInternationalOrganizationforStandardization(ISO).ItisarevisionofBS3424-12:1990,whichiswithdrawn.Attentionisdrawntotheadditionalinformation.Thestartandfinishoftextintroducedoralteredbyamendmentisindicatedinthetextbytags
.Forexample,textalteredbyAmendmentNo.1isindicatedby
.MethodsAandBinthisPartofBS3424havebeensupersededbyBSEN12280-1:1998,Rubber-orplastics-coatedfabrics—Acceleratedageingtests—Heatageing,whichspecifiesthreemethods(method1,ovenmethod;method2,volatilelossmethod;method3,activatedcarbonmethod).MethodCinthisPartofBS3424hasbeensupersededbyBSEN12280-3:2002,Rubber-orplastics-coatedfabrics—Acceleratedageingtests—Environmentalageing.However,thisPartofBS3424remainscurrentbecauseMethodDisstillrelevant.AdditionalinformationIntheUKitiscommonpracticetoemployaconditioningatmosphereconformingtoatmosphereAofBS3424-2:1992(ISO2231).Cross-referencesTheBritishStandardswhichimplementinternationalpublicationsreferredtointhisdocumentmaybefoundintheBSICatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Search”facilityoftheBSIElectronicCatalogueorofBritishStandardsOnline.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,pages1and2,aninsidebackcoverandabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.CopyrightBritishStandardsInstitutionProvidedbyIHSunderlicensewithBSINotforResaleNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,`,-`-`,,`,,`,`,,`---BS3424-12:1996©BSI18September20021IntroductionTheageingofcoatedfabricsconsistsinsubjectingtestpieces,withpreviouslydeterminedphysicalproperties,toacontrolleddeterioratinginfluenceforaknownperiod.Theselectionofthemostappropriatetestmethod(s),ageingtimeandtemperaturewilldependonthepurposeofthetestandthetypeofcoatedfabric.Thephysicalpropertiesusedtomeasurethedeteriorationofcoatedfabricsmaybestrengthproperties,flexing,blockingoranyotherdesiredphysicalorchemicalproperty.Byselectionofappropriatemethodsoftest,thephysicalpropertiescanbeinvestigated.WARNING—PersonsusingthisInternationalStandardshouldbefamiliarwithnormallaboratorypractice.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheusertoestablishappropriatesafetyandhealthpracticesandtoensurecompliancewithanynationalregulatoryconditions.1ScopeThisInternationalStandarddescribesfourmethodsofassessingtheresistanceofcoatedfabricstodeteriorationbyacceleratedageing.2NormativereferencesThefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthisInternationalStandard.Atth