BS 5117-1.4-1985 发动机浓缩冷却剂("抗冻剂")腐蚀抑制试验.第1部分:物理和化学特性测试方法.第4节:发泡特性测定
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【英文标准名称】:Testingcorrosioninhibiting,enginecoolantconcentrate('antifreeze')-Methodsoftestfordeterminationofphysicalandchemicalproperties-Determinationoffoamingcharacteristics
【原文标准名称】:发动机浓缩冷却剂("抗冻剂")腐蚀抑制试验.第1部分:物理和化学特性测试方法.第4节:发泡特性测定
【标准号】:BS5117-1.4-1985
【标准状态】:现行
【国别】:英国
【发布日期】:1985-06-28
【实施或试行日期】:1985-06-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:内燃机;腐蚀抑制剂;发泡能力;表面性质;抽样方法;冷却剂;发动机部件;试验设备;抗冻剂;表面张力;物理试验;冷却系统
【英文主题词】:foamingpower;internalcombustionengines;physicaltesting;coolingsystems;corrosioninhibitors;coolants;enginecomponents;testequipment;antifreezes;surfaceproperties;surfacetension;samplingmethods
【摘要】:Specifiesreagents,apparatus,sampling,procedureandexpressionofresults.
【中国标准分类号】:G04
【国际标准分类号】:71_100_45
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Plastics-Part4:Testmethodsforoverallmigrationintooliveoilbycell;GermanversionEN1186-4:2002
【原文标准名称】:接触食品的材料和制品.塑料制品.第4部分:采用电解槽法向橄榄油全迁移的试验方法;德文版本EN1186-4:2002
【标准号】:EN1186-4-2002
【标准状态】:现行
【国别】:
【发布日期】:2002-07
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:橄榄油;塑料容器;材料规范;储存;迁移;目的;箔;电池;食品包装;接触食品的材料;材料;薄板材;塑料;食品;容器;试验;表面;塑料薄膜
【英文主题词】:Cells;Containers;Foil;Foodpackages;Foodproducts;Materials;Materialsincontactwithfood;Materialsspecification;Migration;Objects;Oliveoil;Plasticcontainers;Plasticfilms;Plastics;Sheets;Storage;Surfaces;Testing
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:67_250
【页数】:32P.;A4
【正文语种】:英语
【英文标准名称】:TestMethodforEvaluatingtheOxidativeResistanceofCrosslinkedPolyethylene(PEX)TubingandSystemstoHotChlorinatedWater
【原文标准名称】:氯化热水用交联聚乙烯(PEX)管和设备抗氧化性的评估用试验方法
【标准号】:ANSI/ASTMF2023-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-03-25
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:评估;材料测试;抗氧化;管道;管;管路;塑料管;塑料和橡胶技术;耐力;热塑性聚合物
【英文主题词】:Evaluations;Materialstesting;Oxidationresistance;Pipelines;Pipes;Piping;Plasticpipes;Plasticsandrubbertechnology;Resistance;Thermoplasticpolymers
【摘要】:Thistestmethoddescribesthegeneralrequirementsforevaluatingthelong-term,chlorinatedwater,oxidativeresistanceofcross-linkedpolyethylene(PEX)tubingproducedinaccordancewithSpecificationF876orPEXtubing/fittingsystemsinaccordancewithSpecificationF877usedinhot-and-coldwaterdistributionsystemsbyexposuretohot,chlorinatedwater.Thistestmethodoutlinestherequirementsofapressurizedflow-throughtestsystem,typicaltestpressures,test-fluidcharacteristics,failuretype,anddataanalysis.Note1-Otherknowndisinfectingsystems(chlorinedioxide,ozone,andchloramines)arealsousedforprotectionofpotablewater.Free-chlorineisthemostcommondisinfectantinusetoday.APPIresearchprojectexaminedtherelativeaggressivenessoffreechlorineandchloraminesonPEXpipes,bothathesame4.0ppmconcentrationandthesametesttemperatures.Theresultsofthetestingshowedpipefailuretimesapproximately40%longerwhentestedwithchloraminescomparedtotestingwithfreechlorine,atthetestedconditions.Basedontheseresults,thedatasuggeststhatchloraminesarelessaggressivethanfreechlorinetoPEXpipes.Guidelinesandrequirementsfortesttemperatures,testhoopstresses,andothertestcriteriahavebeenestablishedbypriortestingofPEXtubingproducedbythethreemostcommoncommercialmethodsofcross-linking:silane,peroxide,andelectron-beam(seeNote2).OtherrelatedsystemcomponentsthattypicallyappearinaPEXhot-and-coldwaterdistributionsystemcanbeevaluatedwiththePEXtubing.WhentestingPEXtubingandfittingsasasystem,itisrecommendedthattheanticipatedend-usefittingtype(s)andmaterial(s)beincludedinthetestcircuitsinceitisknownthatsomefittingtypesandmaterialscanimpactfailuretimes.Specimensusedshallberepresentativeofthepipingproduct(s)andmaterial(s)underinvestigation.Note2-Theproceduresdescribedinthistestmethod(withsomemodificationsoftesttemperaturesorstresses,orboth)havebeenusedtoevaluatepipesmanufacturedfrompolybutylene(PB),polyethylene(PE),polypropylene(PP),multilayer(polymer-metalcomposite),copper,andstainlesssteel.ThistestmethodisapplicabletoPEXtubingandsystemsusedfortransportofpotablewatercontainingfree-chlorinefordisinfectingpurposes.Theoxidizingpotentialofthetest-fluidspecifiedinthistestmethodexceedsthattypicallyfoundinpotablewatersystemsacrosstheUnitedStates.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposes.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section12,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81;G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语
