【英文标准名称】:SpecificationforSupplementalCoolantAdditives(SCAs)forUseinPrechargingCoolantsforHeavyDutyEngines
【原文标准名称】:重型发动机预充冷却剂用补充冷却剂添加剂(SCAs)规范
【标准号】:ANSI/ASTMD5752-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1998-07-09
【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】:机动车工程;重型运输机;冷却剂
【英文主题词】:coolants;automotiveengineering;heavydutytransports
【摘要】:Thisspecificationcoversthegeneral,physical,chemical,andperformancerequirementsforSupplementalCoolantAdditives(SCAs)ataprechargedlevelinthecoolingsystemsofheavy-dutyengines.Afterprecharging,SCAsarecustomarilyusedperiodicallytoservicecoolingsystemsat1/4to1/3theprechargeddosagetocompensateforadditiveslostthroughdilutionanddepletion.TheSCAproductsmeetingthisspecificationareintendedforusewithwater,withrecommendeddilutionsofcoolantconcentrates,withpredilutedenginecoolants,ortoupgradetheperformanceoflight-dutyenginecoolantstomeettheheav-dutyrequirementsofSpecificationD6210.Enginecoolantproductsshallbeofthelow-silicatetypeand,ifethyleneglycolbased,shallmeetSpecificationD4985.Propyleneglycolbaselow-silicatetypecoolantproductsmayalsobeused,ifthesematerialsmeetthechemicalandperformancerequirementsofSpecificationD4985.TheSCAconcentrate,beforedissolution,maybeineitherliquid,solid,orslurryform.Theformisasagreeduponbetweenthemanufacturerandtheuser.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsinparenthesesareapproximateequivalentsprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J90
【国际标准分类号】:71_100_45
【页数】:
【正文语种】:英语