1、Designation:D738818Standard Specification forEngine Coolant Grade 1,3-Propanediol(PDO)1This standard is issued under the fixed designation D7388;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in pa
2、rentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers engine coolant grade 1,3-propanediol(PDO).1.2 The values stated in SI units are to be regarded asstandard.No other units of m
3、easurement are included in thisstandard.1.3 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 of
4、regulatory limitations prior to use.1.4 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 Standards,Guides and Recom-mendations issued by the World Trad
5、e Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1122 Test Method for Density or Relative Density ofEngine Coolant Concentrates and Engine Coolants By TheHydrometerD1123 Test Methods for Water in Engine Coolant Concen-trate by the Karl Fischer Reagen
6、t MethodD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1287 Test Method for pH of Engine Coolants andAntirustsD1613 Test Method for Acidity in Volatile Solvents andChemical Intermediates Used in Paint,Varnish,Lacquer,and Related ProductsD3634 Test Method for Trace Chloride Ion i
7、n Engine Cool-antsD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterD5827 Test Method for Analysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD5931 Test Method for Density and Relative Density ofEngine Coolant Concentrates and A
8、queous Engine Cool-ants by Digital Density MeterD6130 Test Method for Determination of Silicon and OtherElements in Engine Coolant by Inductively CoupledPlasma-Atomic Emission SpectroscopyD7515 Test Method for Purity of 1,3-Propanediol(GasChromatographic Method)E202 Test Methods for Analysis of Ethy
9、lene Glycols andPropylene GlycolsE300 Practice for Sampling Industrial Chemicals3.Requirements3.1 Engine coolant grade 1,3-propanediol shall conform tothe chemical and physical property requirements in Table 1.4.Sampling4.1 Sample 1,3-propanediol in accordance with the appro-priate sections of Pract
10、ice E300 for liquid samples.5.Packaging,Package Marking,and Transportation5.1 The packaging,labeling,and transportation of commer-cial quantities shall conform to applicable federal,state,andlocal regulations.Conformance is the responsibility of themanufacturer and the shipper.6.Keywords6.1 engine c
11、oolant;glycol;1,3-propanediol;PDO1This 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 Nov.1,2018.Published November 2018.Originallyapproved in 2007.Las
12、t previous edition approved in 2013 as D738808(2013).DOI:10.1520/D738818.2For 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 w
13、ebsite.*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 es
14、tablished in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 ASTM International takes no position respecting the validity of any patent rights asserted in connection
15、 with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible tech
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