1、Designation:D751709(Reapproved 2014)Standard Specification forFully-Formulated 1,3 Propanediol(PDO)Base EngineCoolant for Heavy-Duty Engines1This standard is issued under the fixed designation D7517;the number immediately following the designation indicates the year oforiginal adoption or,in the cas
2、e 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.1.Scope1.1 This specification covers the requirements for fully-formulated glycol base coolants for cooling
3、systems of heavy-duty engines.When concentrates are used at 40 to 60%PDOconcentration by volume in water of suitable quality,(seeAppendix X1),or when prediluted PDO base engine coolants(50 volume%minimum)are used without further dilution,they will function effectively during both winter and summer t
4、oprovide protection against corrosion,cavitation,freezing,andboiling.1.2 The coolants governed by this specification are catego-rized as follows:Coolant TypeDescriptionI-FF1,3 Propanediol base concentrateII-FF1,3 Propanediol predilute(50 vol%)1.3 Coolant concentrates meeting this specification do no
5、trequire any addition of Supplemental Coolant Additive(SCA)until the first maintenance interval when a maintenance dose ofSCA is required to continue protection in certain heavy-dutyengine cooling systems,particularly those of the wet cylinderliner-in-block design.The SCA additions are defined by an
6、dare the primary responsibility of the engine manufacturer orvehicle manufacturer.If they provide no instructions,followthe SCA suppliers instructions.1.4 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.5 This standard does no
7、t purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D
8、512 Test Methods for Chloride Ion In WaterD516 Test Method for Sulfate Ion in WaterD1126 Test Method for Hardness in WaterD1287 Test Method for pH of Engine Coolants andAntirustsD1293 Test Methods for pH of WaterD4327 Test Method for Anions in Water by Suppressed IonChromatographyD4725 Terminology f
9、or Engine Coolants and Related FluidsD5827 Test Method for Analysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD5828 Test Method for Compatibility of SupplementalCoolant Additives(SCAs)and Engine Coolant Concen-tratesD6130 Test Method for Determination of Silicon and OtherEl
10、ements in Engine Coolant by Inductively CoupledPlasma-Atomic Emission SpectroscopyD7518 Specification for 1,3 Propanediol(PDO)Base EngineCoolant for Automobile and Light-Duty ServiceE394 Test Method for Iron in Trace Quantities Using the1,10-Phenanthroline Method2.2 Other Documents3Federal Method 25
11、40B Total Dissolved Solids Dried at103-105C3.Terminology3.1 Definitions:3.1.1 supplemental coolant additive(SCA),nan additiveused in conventionally inhibited heavy-duty engine coolantsrequired to maintain protection against general corrosion,cylinder liner pitting,and scaling in heavy-duty engines.3
12、.1.2 For other definitions used in this specification,refer toTerminology D4725.1This specification is under the jurisdiction ofASTM Committee D15 on EngineCoolants and Related Fluids and is the direct responsibility of SubcommitteeD15.07 on Specifications.Current edition approved Feb.1,2014.Publish
13、ed March 2014.Originallyapproved in 2009.Last previous edition approved in 2009 as D7517-09.DOI:10.1520/D7517-09R14.2For 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 s
14、tandards Document Summary page onthe ASTM website.3Standard Method for the Examination of Water and Wastewater,AmericanPublic Health Association,et al,1015 15th Street,N.W.Washington,DC 20005.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States
15、1 4.General Requirements4.1 Concentrated and prediluted coolants shall meet all ofthe respective requirements of Specification D7518.4.2 The coolant concentrate mixed with water or the predi-luted coolant,when maintained with maintenance does of SCAinaccordancewiththeenginemanufacturersrecommendatio
16、ns,and those on the product label,shall besuitable for use in a properly maintained cooling system innormal service for a minimum of two years(See AppendixX1).5.Additional Requirements5.1 The coolant concentrate or prediluted coolant addition-ally shall provide protection in operating engines againstcavitation corrosion(also termed liner pitting)and againstscaling of internal engine hot surfaces.Hot surfaces typicallyare within the engine head,head spacer,upper cylinder liner,orliquid cooled exh
