ASTM D5828-1997(2002) 辅助冷却添加剂(SCAs)和发动机冷却浓缩剂兼容性的标准试验方法

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【英文标准名称】:StandardTestMethodforCompatibilityofSupplementalCoolantAdditives(SCAs)andEngineCoolantConcentrates
【原文标准名称】:辅助冷却添加剂(SCAs)和发动机冷却浓缩剂兼容性的标准试验方法
【标准号】:ASTMD5828-1997(2002)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D15.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:柴油发动机;浓缩物;兼容性;发动机冷冻剂;辅助冷却添加剂;辅助冷却添加剂和发动机冷却剂;试验;耐空蚀性;耐腐蚀性
【英文主题词】:enginecoolants;supplementalcoolantadditives(SCA)
【摘要】:Thistestwasdevelopedtomimictheformationofinsolublesobservedinsomeheavy-dutydieselcoolingsystemsduringthemid1980s.ItmeasuresthecompatibilityofSCAandcoolantconcentratesolutionsaccordingtotheirtendencytoforminsolublesinservice.6Suchinsolublematerialsmayaccumulatewithinacoolingsystem,restrictheattransferthroughradiatorcores,andcontributetothedamageofcomponentssuchaswaterpumps.1.1ThistestmethodcoversdeterminationofthecompatibilityofcommercialSCAandcommercialethyleneandpropyleneglycolenginecoolantconcentrates.Thistestmethodfocusesonthesolubilityofspecificchemicalspeciesformedintheenginecoolant.Theshortdurationofthetest(24h),amongotherrestrictions,makesthetestmethodoflimiteduseforsortingoutavarietyofchemicalcompatibilityproblemsinwhichacomponentoftheSCAmayreactwithacomponentofthecoolantadditivepackage.Thetestascurrentlywrittenalsodoesnotdealwiththeissueofhardwatercompatibility,inwhichacomponentofthecoolantorSCAadditivepackagereactswiththehardness(CaandMg)toformaprecipitate.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_100_45
【页数】:5P.;A4
【正文语种】: