1、Designation:D582897(Reapproved 2018)Standard Test Method forCompatibility of Supplemental Coolant Additives(SCAs)andEngine Coolant Concentrates1This standard is issued under the fixed designation D5828;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONSupplemental coolant additives(SCAs)are used to impart special properties,usually resistance
3、tocavitation corrosion,to engine coolants used in diesel engines with replaceable cylinder liner sleeves.Engines with this design require additives that are not normally found in commercial engine coolantconcentrates.1.Scope1.1 This test method covers determination of the compat-ibility of commercia
4、l SCA and commercial ethylene andpropylene glycol engine coolant concentrates.This test methodfocuses on the solubility of specific chemical species formed inthe engine coolant.The short duration of the test(24 h),amongother restrictions,makes the test method of limited use forsorting out a variety
5、of chemical compatibility problems inwhich a component of the SCAmay react with a component ofthe coolant additive package.The test as currently written alsodoes not deal with the issue of hard water compatibility,inwhich a component of the coolant or SCA additive packagereacts with the hardness(Ca
6、and Mg)to form a precipitate.1.2 The values stated in SI units are to be regarded asstandard.The values given in parentheses are mathematicalconversions to inch-pound units that are provided for informa-tion only and are not considered standard.1.3 This standard does not purport to address all of th
7、esafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.4 This international standard was developed in accor-danc
8、e with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standard
9、s:2E691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodD1193 Specification for Reagent WaterD1796 Test Method for Water and Sediment in Fuel Oils bythe Centrifuge Method(Laboratory Procedure)D3585 Specification for ASTM Reference Fluid for CoolantTests3.Te
10、rminology3.1 Definitions of Terms Specific to This Standard:3.1.1 engine coolant concentratean undiluted ethylene orpropylene glycol containing additives and only a small amountof water,usually less than 5%.3.1.2 reference engine coolant concentratea standard ma-terial prepared according to the form
11、ulary given in Annex A2of this test method.This material should not be confused withreference coolant in accordance with Specification D3585.3.1.3 reference supplemental coolant additive(SCA)astandard SCA prepared according to the formulary given inAnnex A1 of this test method.3.1.4 supplemental coo
12、lant additivea liquid or solid ma-terial that is added to a coolant at a specified concentration.4.Summary of Test Method4.1 A mixture of engine coolant concentrate and deionizedwater containing approximately twice the recommended con-centration of SCA is heated to 88 C(190 F)for 24 h.Thesolution is
13、 centrifuged after returning to ambient temperature,1This test method is under the jurisdiction of ASTM Committee D15 on EngineCoolants and Related Fluids and is the direct responsibility of Subcommittee D15.11on Heavy Duty Coolants.Current edition approved Sept.1,2018.Published September 2018.Origi
14、nallyapproved in 1995.Last previous edition approved in 2011 as D582897(2011)1.DOI:10.1520/D582897R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Docum
15、ent Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Princip
16、les for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 and the amount of insoluble material is determined volumetri-cally and compared to the amount of insolubles obtained witha mixture of standard reference SCA and reference enginecoolant.5.Significance and Use5.1 This test was developed to mimic the formation ofinsolubles observed in some heavy-duty diesel cooling systemsduring the mid 1980
