1、Designation:D764016(Reapproved 2021)Standard Specification forEngine Coolant Grade Glycerin1This standard is issued under the fixed designation D7640;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number
2、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 engine coolant grade glycerine(1,2,3 Propanetriol,Glycerol).1.2 The values stated in SI units are to be regarded asstand
3、ard.No other units of measurement 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-min
4、e the applicability of 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 i
5、ssued by the World Trade 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 TheHydrometerD1119 Test Method for Percent Ash Content of EngineCoolantsD120
6、9 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1287 Test Method for pH of Engine Coolants andAntirustsD3634 Test Method for Trace Chloride Ion in Engine Cool-antsD4052 Test Method for Density,Relative Density,and APIGravity of Liquids by Digital Density MeterD5827 Test Method for An
7、alysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD5931 Test Method for Density and Relative Density ofEngine Coolant Concentrates and Aqueous Engine Cool-ants by Digital Density MeterD6130 Test Method for Determination of Silicon and OtherElements in Engine Coolant by Induc
8、tively CoupledPlasma-Atomic Emission SpectroscopyD7637 Test Method for Determination of Glycerin Assay byTitration(Sodium Meta Periodate)D7638 Test Method for Determination of Fatty Acids andEsters in GlycerinD7716 Test Method for Determination of Residual Methanolin Glycerin by Gas ChromatographyE2
9、02 Test Methods for Analysis of Ethylene Glycols andPropylene GlycolsE300 Practice for Sampling Industrial Chemicals3.Requirements3.1 Engine coolant grade glycerin shall conform to thechemical and physical property requirements in Table 1.4.Sampling4.1 Sample glycerin in accordance with the appropri
10、atesections of Practice E300 for liquid samples.5.Packaging and Package Marking5.1 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 1,2
11、,3 Propanetriol;engine coolant;glycerin;glycerine;glycerol;glycol1This 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 Sept.1,2021.Published September 2
12、021.Originallyapproved in 2011.Last previous edition approved in 2016 as D7640-16.DOI:10.1520/D7640-16R21.2For 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 D
13、ocument 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 Pri
14、nciples for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this s
15、tandard.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 technical committee and must be revie
16、wed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.Th
