1、Designation:D771411(Reapproved 2021)Standard Specification forGlycerin Base Engine Coolant for Automobile and Light-Duty Service1This standard is issued under the fixed designation D7714;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revisio
2、n,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 glycerinbase engine coolants used in automobiles or other ligh
3、t dutyservice cooling systems.When concentrates are used at 50%to 60%concentration by volume in water,or when predilutedglycerin base engine coolants(50 volume%minimum)areused without further dilution,they will function effectively toprovide protection against freezing,boiling,and corrosion.1.2 The
4、coolants governed by this specification are catego-rized as follows:Coolant TypeDescriptionIGlycerin base concentrateIIGlycerin predilute(50 to 60 volume%)NOTE1This specification is based on the knowledge of the perfor-mance of engine coolants prepared from new or virgin ingredients thatcomply with
5、Specification D7640.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses after SI units areprovided for information only and are not considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.I
6、t 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.See X1.5 and X3.1.3 for specific warning statements.NOTE2This specification applies to automobiles and light
7、 dutyservice.A glycerin based specification for heavy duty engine service isunder development.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Stan
8、dards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D512 Test Methods for Chloride Ion In Water(Withdrawn2021)3D516 Test Method for Sulfate Ion in WaterD1119 Test Method for Percent Ash Content of
9、 EngineCoolantsD1120 Test Method for Boiling Point of Engine CoolantsD1121 Test Method for Reserve Alkalinity of Engine Cool-ants and AntirustsD1122 Test Method for Density or Relative Density ofEngine Coolant Concentrates and Engine Coolants By TheHydrometerD1123 Test Methods for Water in Engine Co
10、olant Concen-trate by the Karl Fischer Reagent MethodD1126 Test Method for Hardness in WaterD1177 Test Method for Freezing Point of Aqueous EngineCoolantsD1287 Test Method for pH of Engine Coolants andAntirustsD1293 Test Methods for pH of WaterD1384 Test Method for Corrosion Test for Engine Coolants
11、in GlasswareD1881 Test Method for Foaming Tendencies of EngineCoolants in GlasswareD1882 Test Method for Effect of Cooling System ChemicalSolutions on Organic Finishes for Automotive VehiclesD2570 Test Method for Simulated Service Corrosion Testingof Engine CoolantsD2809 Test Method for Cavitation C
12、orrosion and Erosion-Corrosion Characteristics of Aluminum Pumps With En-gine CoolantsD3321 Test Method for Use of the Refractometer for FieldTest Determination of the Freezing Point of AqueousEngine CoolantsD3634 Test Method for Trace Chloride Ion in Engine Cool-ants1This specification is under the
13、 jurisdiction ofASTM Committee D15 on EngineCoolants and Related Fluids and is the direct responsibility of SubcommitteeD15.07 on Specifications.Current edition approved Sept.1,2021.Published September 2021.Originallyapproved in 2011.Last previous edition approved in 2016 as D7714-11(2016)1.DOI:10.1
14、520/D7714-11R21.2For 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 Document Summary page onthe ASTM website.3The last approved version of this historical stan
15、dard is referenced onwww.astm.org.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 Principle
16、s for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1D4327 Test Method for Anions in Water by Suppressed IonChromatographyD4340 Test Method for Corrosion of Cast Aluminum Alloysin Engine Coolants Under Heat-Rejecting ConditionsD4725 Terminology for Engine Coolants and Related FluidsD5827 Test Method for Analysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD5931 Test Met