1、Designation:D330621Standard Specification forGlycol Base Engine Coolant for Automobile and Light-DutyService1This standard is issued under the fixed designation D3306;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last r
2、evision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers the requirements for ethyleneglycol or propylene glycol or ethylene glycol containingglycerin base eng
3、ine coolants used in automobiles or otherlight-duty service cooling systems.When concentrates are usedat 40%to 60%concentration(allowance to 70%concentra-tion agreement between manufacturer and user)by volume inwater,or when prediluted glycol base engine coolants 50volume%or higher engine coolant co
4、ncentrate are usedwithout further dilution,they will function effectively toprovide protection against freezing,boiling,and corrosion.1.2 The coolants governed by this specification are catego-rized as follows:Coolant TypeDescriptionIEthylene glycol base concentrateIIPropylene glycol base concentrat
5、eVEthylene glycol base concentratecontaining glycerinIIIEthylene glycol predilute 50 volume%or higherengine coolant concentrateIVPropylene glycol predilute 50 volume%or higherengine coolant concentrateVIEthylene glycol base predilutecontaining glycerin 50 volume%or higher enginecoolant concentrateNO
6、TE1This specification is based on the knowledge of the perfor-mance of engine coolants prepared from new or virgin ingredients.Thisspecification shall also apply to engine coolants prepared using glycolgenerated from recycled or reprocessed used coolant or reprocessedindustrial-source glycol,provide
7、d that said glycol meets the requirementsof Specification E1177.Separate specifications(D6471 and D6472)existfor engine coolants prepared from recycled or reprocessed used coolant orreprocessed industrial-source glycol that does not meet the requirementsestablished in Specification E1177.This specif
8、ication shall also apply toglycol based engine coolants prepared using fully refined glycerinprovided that said glycerin meets the requirements for SpecificationD7640.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses after SI units areprovided for inform
9、ation 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.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability
10、of regulatory limitations prior to use.NOTE2This specification applies to glycol base engine coolant forautomobiles and light-duty service.Specifications D4985 and D6210 existfor heavy duty engine service.1.5 This international standard was developed in accor-dance with internationally recognized pr
11、inciples 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 Standards:2D512 Test Methods for Chloride Io
12、n In Water(Withdrawn2021)3D516 Test Method for Sulfate Ion in WaterD1119 Test Method for Percent Ash Content of 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 Dens
13、ity ofEngine Coolant Concentrates and Engine Coolants By TheHydrometerD1123 Test Methods for Water in Engine Coolant Concen-trate by the Karl Fischer Reagent MethodD1126 Test Method for Hardness in WaterD1177 Test Method for Freezing Point of Aqueous EngineCoolants1This specification is under the ju
14、risdiction ofASTM Committee D15 on EngineCoolants and Related Fluids and is the direct responsibility of SubcommitteeD15.07 on Specifications.Current edition approved Nov.1,2021.Published November 2021.Originallyapproved in 1974.Last previous edition approved in 2020 as D330620.DOI:10.1520/D3306-21.
15、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 standard is referenc
16、ed onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright 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 Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Commi
