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ASTM D5105-2005 用浓聚的自然光进行压敏带的加速室外老化的标准实施规程

作者:标准资料网 时间:2024-05-24 09:25:16  浏览:8991   来源:标准资料网
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【英文标准名称】:StandardPracticeforPerformingAcceleratedOutdoorWeatheringofPressure-SensitiveTapesUsingConcentratedNaturalSunlight
【原文标准名称】:用浓聚的自然光进行压敏带的加速室外老化的标准实施规程
【标准号】:ASTMD5105-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D10.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:露天气候;包装件;快速试验;阳光;窄条带材;通风
【英文主题词】:acceleratedoutdoorweathering;naturalsunlight;pressure-sensitivetape
【摘要】:Thispracticeprovidesameansofqualitativeassessmentsofoutdoorweatheringeffectsonpressure-sensitivetapes.Theresistanceoftapestooutdoorweatheringisdeterminedrelativetotheresistanceofacontroltapewithknownstability.Iftestsdescribedinthispracticeproducethesametypeofdegradationasfoundinreal-timeexposuresofthesamematerials,itispossibletousetheresultsfromtheseshort-termteststodeterminethequantitativeeffectsofnaturalweathering.Thetimingofexposuretestingcoveringbothoutdoorconventionalandoutdooracceleratedexposureofthispractice,usinglevelsofultravioletsolarradiationexposure(MJ/m2)ofUV(295to385nm)isanimprovementinthetimingofexposuretesting.Testingspecificlevelsofsolarradiantexposure(MJ/m2)maybeusedtoestablishrelativeequivalentexposure,buttheuseof(MJ/m2ofUV(295to385nm))isthepreferredmethod.4,5,6Theradiantexposure(308or616MJ/m2)suggestedinthispracticeapproximatesoneandtwoyears,respectively,ofexposureintheSouthwestandFlorida.Sinceallmaterialsx201C;weatherx201D;atdifferentratesindifferentenvironments,resultsobtainedusingthispracticeshouldnotberepresentedasequivalenttonaturalweatheringuntilthedegreeofquantitativecorrelationhasbeenestablishedforthematerialtestedintheenvironmentofitsuse.Note18212;Theultravioletcontentofnaturalsunshineistime-of-yeardependent,bothqualitativelyandquantitatively.Thus,wintertimetestingrequireslongerexposureperiodsontheFlesnel-reflectortestmachinesdescribedtoachieveequalultravioletenergydepositionandaquantitativeequallevelofdegradationconcomitantwithsummertimetesting.1.1Thispracticecoversoneprocedurefortheexposureofpressure-sensitivetapestoanacceleratedoutdoorweatheringenvironment.1.2Thispracticedescribessamplepreparationandanacceleratedoutdoorenvironmenttowhichitshallbeexposed.Itdoesnotspecifywhatobservationsortestsaretobeperformedonthematerialfollowingexposure.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:


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【英文标准名称】:StandardSpecificationforPolymerConcretePipe
【原文标准名称】:聚合物混凝土管的标准规范
【标准号】:ASTMD6783-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.23
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:污水;下水道;污水管;高聚物;混凝土;管;材料;混凝土管
【英文主题词】:industrialwastepiping;pipejacking;polymerconcrete;sanitarysewers;stormdrains
【摘要】:1.1Thisspecificationcoverspolymerconcretepipe,6in.(150mm)through144in.(3660mm),intendedforuseingravity-flowsystemsforconveyingsanitarysewage,stormwater,andindustrialwastes.Note18212;ThereisnosimilarorequivalentISOstandard.1.2Althoughthisspecificationissuitedprimarilyforpipetobeinstalledbydirectburialandpipejacking,itmaybeusedtotheextentapplicableforotherinstallationssuchasslipliningandrehabilitationofexistingpipelines.Note28212;Unlikereinforcedthermosettingresinpipes,polymerconcretepipeisdesignedandinstalledusingrigidpipedesigntheoryandpractices.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section8,ofthisspecification.Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:Q14
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Railwayrollingstock.Determinationofcomfortconnectedwithanair-conditioningsystemforrailwayvehicles.Test.Generality.
【原文标准名称】:铁路车辆.空调系统舒适度测定.试验.总则
【标准号】:NFF13-012-0-1991
【标准状态】:现行
【国别】:法国
【发布日期】:1991-12
【实施或试行日期】:1991-11-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:信号装置;颜色;分类系统分类系统分类系统;商业文献;目录;分类;道路安全;信号传输;发信号;图解法;交通标志;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:S51
【国际标准分类号】:45_060_20
【页数】:9P;A4
【正文语种】:其他



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