【英文标准名称】:Connectorsforelectronicequipment--Testsandmeasurements--Part11-11:Climatictests--Test11k:Lowairpressure
【原文标准名称】:电子设备连接器.试验和测量.第11-11部分:气候试验.试验11k:低气压
【标准号】:JISC5402-11-11-2005
【标准状态】:现行
【国别】:日本
【发布日期】:2005-03-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonElectronics
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:この規格は,規定する減圧条件下(例:高高度)で,規定の方法によって保存及び/又は機能する電子機器用コネクタ(以下,コネクタという。)の能力を評価するための試験方法について規定する。この試験方法は,類似の部品に用いてもよい。
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:6P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforDurabilityTestingofDuctSealants
【原文标准名称】:管道密封胶耐久性试验的标准试验方法
【标准号】:ASTME2342-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceleratedaging;ductleakage;durability;sealant;Ductsealants;Durability--sealants;Sealants--specifications
【摘要】:Residentialductsystemsareoftenfielddesignedandassembled.Therearemanyjoints,oftenofdissimilarmaterialsthatrequirebothmechanicalconnectionandairsealing.Withoutthissealing,ductsystemswouldbeextremelyleakyandhenceinefficient.Whilesomeductsealantsareratedontheirpropertiesatthetimeofmanufactureorduringstorage,noneoftheseratingsadequatelyaddressesthein-servicelifetime.Thistestmethodhasbeendevelopedtoaddressthisdurabilityissue.Thisstandardappliestoproductswhichlistductsealingasoneoftheiruses.Thisincludesducttape(cloth,metalfoil,orplasticbacked),mastics,andsprayed/aerosolsealants.Itdoesnotapplytocaulksorplasterpatchesthatarenotintendedtobepermanentductsealingmethods.Thestandardductleaksiteisacollartoplenumconnectionforroundductthatis10to20cm(4to8in.)indiameter.Thisperpendicularconnectionwaschosenbecausealmostallresidentialductsystemshavethistypeofconnectionandinfieldobservationsofductsystems,itisoftenthistypeofconnectionthathassealantfailure.1.1Thistestmethoddescribesanacceleratedagingtestforevaluatingthedurabilityofductsealantsbyexposuretotemperaturesandstaticpressurescharacteristicofresidentialductsystems.1.2Thistestmethodisintendedtoproducearelativemeasureofthedurabilityofductsealants.Thisstandarddoesnotmeasuredurabilityunderspecificconditionsofweatherandbuildingoperationthatmightbeexperiencedbyanindividualbuildingandductsystem.Insteaditevaluatesthesealantmethodunderfixedconditionsthatdonotincludethemanifoldeffectsofinstallationpractice.1.3Thistestmethodonlyaddressessealantsnotmechanicalstrengthoftheconnections.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardstatementsseeSection7.
【中国标准分类号】:Q24
【国际标准分类号】:21_140
【页数】:6P.;A4
【正文语种】:英语