ASTM D4985-2010 要求预先充注辅助冷却剂添加剂(SCA)的重型发动机用低乙二醇硅酸酯基发动机冷却剂标准规范

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【英文标准名称】:StandardSpecificationforLowSilicateEthyleneGlycolBaseEngineCoolantforHeavyDutyEnginesRequiringaPre-ChargeofSupplementalCoolantAdditive(SCA)
【原文标准名称】:要求预先充注辅助冷却剂添加剂(SCA)的重型发动机用低乙二醇硅酸酯基发动机冷却剂标准规范
【标准号】:ASTMD4985-2010
【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】:D15.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:coolantrequiringSCApre-charge;enginecoolant;ethyleneglycol;heavydutyenginecoolant;heavydutyengineservice;lowsilicateenginecoolant;prediluted;CoolantrequiringSCApre-charge;Chemicals--specifications;Enginecoolants/concentrates--s
【摘要】:1.1Thisspecificationcoverstherequirementsforlowsilicateethyleneglycolbaseenginecoolantsforcoolingsystemsofheavy-dutyengines.Whenconcentratesareusedat40to60%concentrationbyvolumeinwater,orwhenpredilutedglycolbaseenginecoolants(50volume%minimum)areusedwithoutfurtherdilution,theywillfunctioneffectivelytoprovideprotectionagainstcorrosion,freezingtoatleastx2212;36.4x00B0;C(x2212;33.5x00B0;F),andboilingtoatleast108x00B0;C(226x00B0;F).Note18212;Thisspecificationisbasedontheknowledgeoftheperformanceofenginecoolantspreparedfromneworvirginingredients.Aseparatespecificationexists(D6210)forheavy-dutyenginecoolantswhichmaybepreparedfromrecycledorreprocessedusedcoolantorreprocessedindustrial-sourceethyleneglycol.1.2Coolantsmeetingthisspecificationrequireaninitialchargeofasupplementalcoolantadditive(SCA)andrequireregularmaintenancedosesofanSCAtocontinuetheprotectionincertainoperatingheavy-dutyenginecoolingsystems,particularlythoseofthewetcylinderliner-in-blockdesign.TheSCAadditionsaredefinedbyandaretheprimaryresponsibilityoftheenginemanufacturerorvehiclemanufacturer.Iftheyprovidenoinstructions,followtheSCAsupplier''srecommendedinstructions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G16
【国际标准分类号】:71_100_45
【页数】:5P.;A4
【正文语种】:英语


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【英文标准名称】:Specificationforelectriclampsforrailwaysignalling
【原文标准名称】:铁路信号用电灯规范
【标准号】:BS469-1939
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:S61
【国际标准分类号】:
【页数】:
【正文语种】:


MIL-G-48771, MILITARY SPECIFICATION, GRAPHITE - SPECIAL PURPOSE (FOR USE IN AMMUNITION) (19 JUN 1975)., This specification covers one grade of Graphite for use in lithium reserve type batteries.