Protectiveclothing—TestmethodsforclothingprovidingprotectionagainstchemicalsPart2:Determinationofresistancetoinwardleakageofaerosolsandgases(inwardleakagetest)...makingexcellenceahabit：bsi.BSISO17491-2:2012NationalforewordThisBritishStandardistheUKimplementationofISO17491-2:2012.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteePH∕3∕3,Chemical,Biological,RadioactiveandNuclearPersonalProtectiveEquipment.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.©TheBritishStandardsInstitution2012.PublishedbyBSIStandardsLimited2012ISBN9780580651847ICS13.340.10CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2012.AmendmentsissuedsincepublicationDateTextaffectedBSISO17491-2:2012BRITISHSTANDARDBSISO17491-2:2012ISO17491-2©ISO2012INTERNATIONALSTANDARDFirstedition2012-04-15Protectiveclothing—Testmethodsforclothingprovidingprotectionagainstchemicals—Part2:Determinationofresistancetoinwardleakageofaerosolsandgases(inwardleakagetest)Vetementsdeprotection—Methodesd,essaipourIesvetementsfournissantuneprotectioncontreIesproduitsChimiques—Partie2;DeterminationdeIaresistanceauxfuitesdesaerosolsetdesgazversΓinterieur(essaidepenetration)ReferencenumberISO17491-2:2012(E)BSISO17491-2:2012ISO17491-2:2012(E)©ISO2012-AllrightsreservedCOPYRIGHTPROTECTEDDOCUMENT©ISO2012Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormecnanical1includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO'smemberbodyin1he∞untryoftherequester.ISOcopyrightofficeCasepostale56∙CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.orgWebwww.iso.orgPublishedinSwitzerlandBSISO17491-2:2012ISO17491-2:2012(E)©ISO2012-AllrightsreservediiiContentsPageForeword..........................................................................................................................................................................ivIntroduction...................................................................................................................................................................................v1Scope....................................................................................................................................................................12Termsanddefinitions............................................................................................................................................13Principle.................................................................................................................................................................24Testagentsandtestsubjects................................................................................................................................24.1Testagents............................................................................................................................................................24.2Testsubjects.............................................................................
