【英文标准名称】:TestMethodforMeasuringtheMinimumOxygenConcentrationtoSupportCandle-LikeCombustionofPlastics(OxygenIndex)
【原文标准名称】:测量最小氧浓度支持腊烛状塑料燃烧试验方法
【标准号】:ANSI/ASTMD2863-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:2000-09-12
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;氧;试验;测量
【英文主题词】:testing;plastics;measurement;oxygen
【摘要】:Thistestmethodcoversafire-test-responseprocedure.Thistestmethoddescribesaprocedureformeasuringtheminimumconcentrationofoxygenthatwilljustsupportflamingcombustioninaflowingmixtureofoxygenandnitrogen.Methodsareprovidedfortestingmaterialsthatarestructurallyself-supportingintheformofverticalbarsorsheetupto10.5mmthick.Thesemethodsaresuitableforsolid,laminatedorcellularmaterialscharacterizedbyanapparentdensitygreaterthan15kg/m3.Themethodsmayalsobeapplicabletosomecellularmaterialshavinganapparentdensityoflessthan15kg/m3.Amethodisprovidedfortestingflexiblesheetorfilmmaterialswhilesupportedvertically.Note1--Althoughthistestmethodhasbeenfoundapplicablefortestingothermaterials,theprecisionofthetestmethodhasnotbeendeterminedforthesematerials,orforspecimengeometry'sandtestconditionsoutsidethoserecommendedherein.Thistestmethodmaybeusedtomeasureanddescribethepropertiesofmaterials,products,orassembliesinresponsetoheatandflameundercontrolledlaboratoryconditionsandshallnotbeusedtodescribeorappraisethefirehazardorfireriskofmaterials,products,orassembliesunderactualfireconditions.However,resultsofthistestmaybeusedaselementsofafireriskassessmentwhichtakesintoaccountallofthefactorswhicharepertinenttoanassessmentofthefirehazardofaparticularenduse.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninNote2.Note2:Warning:Duringthecourseofcombustion,gasesorvapors,orboth,areevolvedwhichmaybehazardoustopersonnel.Note3--ThistestmethodandISO4589-2aretechnicallyequivalentwhenusingtheTypeAgasmeasurementandcontroldeviceaccuracyasdescribedin6.4.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语


【英文标准名称】:Plasticspipingsystemsfornon-pressureundergrounddrainageandsewerage-Polypropylene(PP)-Part1:Specificationsforpipes,fittingsandthesystem
【原文标准名称】:地下无压力排水和排污用塑料管道系统.聚丙烯(PP).第1部分:管道,配件和系统的规范
【标准号】:BSEN1852-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:定义;耐久性;定义(术语);降低压力的;测定;排水;配件;几何特性;处理;惰性气体铠装电弧焊;作标记;材料;机械性能;物理性能;管道装置;管线;管;管系统;塑料管道;塑料管;塑料;聚酯树脂;聚丙烯;聚丙烯;PP;污水;污水管;下水道;规范(验收);地下;水常规;水常规(实验)
【英文主题词】:Definitions;Depressurized;Determination;Drainage;Fittings;Geometricalproperties;Marking;Materials;Mechanicalproperties;Physicalproperties;Pipelineinstallations;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyesterresins;Polypropylene;PP;Sewage;Sewerpipes;Sewers;Specification(approval);Underground;Waterpractice
【摘要】:ThispartofEN1852specifiestherequirementsforsolidwallpipes,fittingsandthesystemofpolypropylene(PP)pipingsystemsintendedforusefor:?non-pressureundergrounddrainageandsewerageoutsidethebuildingstructure(applicationareacode"U"),and?non-pressureundergrounddrainageandsewerageforbothburiedingroundwithinthebuildingstructure(applicationareacode"D")andoutsidethebuildingstructure.Thisisreflectedinthemarkingofproductsby"U"and"UD".ThisstandardcoversPPmaterialswithoutmineralmodifiers.Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.Thisstandardcoversarangeofnominalsizes,andpipeseriesandgivesrecommendationsconcerningcolours.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.InconjunctionwithPart2andPart3ofEN1852itisapplicabletoPPpipesandfittings,theirjointsandtojointswithcomponentsofotherplasticsandnon-plasticsmaterialsintendedtobeusedforburiedpipingsystemsfornon-pressureundergrounddrainageandsewerage.ThisstandardisapplicabletoPPpipesandfittingswithorwithoutanintegralsocket.NOTE2Thefittingscanbemanufacturedbyinjection-mouldingorbefabricatedfrompipesand/ormouldings.NOTE3Requirementsandlimitingvaluesforapplicationareacode"D"aregiveninTable4,Table7andTable14.NOTE4Pipes,fittingsandothercomponentsconformingtoanyoftheplasticsproductstandardslistedinAnnexCcanbeconnectedtopipesandfittingsconformingtothisstandard,whentheyconformtotherequirementsforjointdimensionsgiveninClause6andtotherequirementsofTable14.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_01;23_040_20;93_030
【页数】:38P.;A4
【正文语种】:英语