1、Designation:D738808(Reapproved 2013)Standard 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 revisi
2、on.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 engine coolant grade 1,3-propanediol(PDO).1.2 The values stated in SI units are to be regarded asstandard.No
3、 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 and health practices and determine the applica-bility
4、of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1122 Test Method for Density or Relative Density ofEngine Coolant Concentrates and Engine Coolants By TheHydrometerD1209 Test Method for Color of Clear Liquids(Platinum-Cobalt Scale)D1287 Test Method for pH of Engine C
5、oolants 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 Analysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD5931 Test Method for De
6、nsity 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 Inductively CoupledPlasma-Atomic Emission SpectroscopyE202 Test Methods for Analysis of Ethylene Glycols
7、 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 Practice E300 for
8、 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 coolant;glyco
9、l;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 Oct.1,2013.Published October 2013.Originallyapproved in 2007.Last previous ed
10、ition approved in 2008 as D3306-08.DOI:10.1520/D7388-08R13.2For 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.*A Summ
11、ary 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 States1 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin t
12、his 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 technical committee and must be
13、reviewed 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 theresponsi
14、ble 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.This standard is copyrighted by ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshoh
15、ocken,PA 19428-2959,United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585(phone),610-832-9555(fax),or serviceastm.org(e-mail);or through the ASTM website(www.astm.org).Permission rights to photocopy the
16、standard may also be secured from the ASTM website(www.astm.org/COPYRIGHT/).TABLE 1 Physical and Chemical RequirementsRequirementValues for PDOASTM TestMethod1,3-Propanediol,mass%99.0 minunderdevelopmentDipropylene glycol,mass%0.5 maxE202Other glycols,mass%0.2 maxE202Total glycols,mass%99.5 minE202pH at 50%in DI water6.00 9.00D1287Relative density,20/20C1.0520 1.0540D1122,D4052,D5931Water,mass%0.5 maxE202Acidity as acetic acid,mass%0.01 maxE202Glycol esters,mass%AAChloride ion,g/g(ppm)5 maxD3634
