ISO 17491-2002 防护服.对气态和液态化学品的防护.防护服耐气体和液体穿透性的测定

作者:标准资料网 时间:2024-05-12 10:48:58  浏览:9297   来源:标准资料网

【英文标准名称】:Protectiveclothing-Protectionagainstgaseousandliquidchemicals-Determinationofresistanceofprotectiveclothingtopenetrationbyliquidsandgases
【原文标准名称】:防护服.对气态和液态化学品的防护.防护服耐气体和液体穿透性的测定
【标准号】:ISO17491-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC94
【标准类型】:()
【标准水平】:()
【中文主题词】:渗漏试验;防护套服;抗药性;渗漏探测器;测定;定义;防护设备;试验仪表;透气率;试验;试验报告;防渗漏;蒸气;化工防护套服;人员保护设备;渗透;穿透;渗透性;液体;气体;压实;防护服装;抗穿透率;漏泄试验;药液;检漏仪;气密的
【英文主题词】:Airpermeability;Chemicalprotectivesuits;Chemicals;Compactness;Definition;Definitions;Determination;Gases;Gastight;Healthimpairment;Leak;Leakdetectors;Leaktests;Liquids;Penetrationresistance;Penetrations;Personnelprotectiveequipment;Protectionagainstleakage;Protectiveclothing;Protectiveequipment;Protectivesuits;Resistance;Testapparatus;Testreports;Testing;Vapours
【摘要】:ThisInternationalStandardspecifiessixdifferenttestmethodsfordeterminingtheresistanceofcompleteprotectiveclothingtoinwardleakageofeithergaseousorliquidchemicals(protectiveclothingintegrity).Thesetestmethodsapplytoeitherliquidorgaseouschemicals,oraerosols,andrangeinthelevelofseverity.ThesixintegritytestmethodsspecifiedbythisInternationalStandardareasfollows:a)MethodAspecifiesamethodforassessingtheresistanceofagas-tightsuittooutwardleakageofairthrough,forexample,essentialopenings,fastenings,seams,interfaceareasbetweenitems,poresandanyimperfectionsinthematerialsofconstruction.b)MethodBspecifiestwodifferentmethodsfordeterminingtheinwardleakageofchemicalprotectivesuitsinagaseous(oraerosol)environment.Theprocedureisapplicabletogas-tightsuitsandprovidesanevaluationofchemicalprotectivesuitintegrity,paticularlyleakageinthebreathingzone,underdynamicconditionsthroughtheuseofhumansubjects.c)MethodCspecifiesamethodfordeterminingtheresistanceofchemicalprotectiveclothingtopenetrationbyjetsofliquidchemicals.Thisprocedureisapplicabletoclothingwornwherethereisariskofexposuretoaforcefulprojectionofaliquidchemicalandintendedtoberesistanttopenetrationunderconditionswhichrequiretotalbodysurfacecoverbutnotgas-tightclothing.d)MethodDspecifiesamethodfordeterminingtheresistanceofchemicalprotectiveclothingtopenetrationbyspraysofliquidchemicals.Thisprocedureappliestoprotectiveclothingintendedtobewornwhenthereisariskofexposuretoslightsplashesofaliquidchemicalortosprayparticlesthatcoalesceandrunoffthesurfaceofthegarmentandintendedtoberesistanttopenetrationunderconditionswhichrequiretotalbodysurfacecoverbutnotgas-tightclothing.e)MethodEspecifiesanalternativemethodtomethodDfordeterminingtheresistanceofchemicalprotectiveclothingtopenetrationbyspraysofliquidchemicals.MethodEdiffersfromMethodDinthatitusesastaticmannequininsteadofatestsubject,italsousesadifferentsprayconfigurationandduration(1hcomparedto30minforMethodD)andisbasedonaqualitativedeterminationofobservedliquidontheabsorbentcoverallorinteriorofthechemicalprotectiveclothing.f)MethodFisamodificationofMethodDwherethesprayhasbeenmodifiedtolightsprayormistbyuseofdifferentnozzlesandsprayconditionsandisintendedforpartialbodyprotectiveclothingwherethelikelihoodofsplashexposureislow.MethodsC,D,EandFarenotappropriateforevaluatingthepermeationorpenetrationofliquidchemicalsthroughthematerialfromwhichtheclothingismade.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:26P;A4
【正文语种】:英语