1、Designation: D7388 08 (Reapproved 2013)D7388 18Standard 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
2、 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 engine coolant grade 1,3-propanediol (PDO).1.2 The values stated in SI units are to be r
3、egarded as standard. No other units of measurement are included in this standard.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety safety, health, and healthe
4、nvironmental practices and determine theapplicability of regulatory limitations prior to use.1.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standar
5、ds, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D1122 Test Method for Density or Relative Density of Engine Coolant Concentrates and Engine Coolants By The HydrometerD1123 Test Methods for Wat
6、er in Engine Coolant Concentrate by the Karl Fischer Reagent MethodD1209 Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)D1287 Test Method for pH of Engine Coolants and AntirustsD1613 Test Method for Acidity in Volatile Solvents and Chemical Intermediates Used in Paint, Varnish, Lacque
7、r, and RelatedProductsD3634 Test Method for Trace Chloride Ion in Engine CoolantsD4052 Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density MeterD5827 Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion ChromatographyD5931 Test Method f
8、or Density and Relative Density of Engine Coolant Concentrates andAqueous Engine Coolants by DigitalDensity MeterD6130 Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-AtomicEmission SpectroscopyD7515 Test Method for Purity of 1,3-Propanedio
9、l (Gas Chromatographic Method)E202 Test Methods for Analysis of Ethylene Glycols and Propylene GlycolsE300 Practice for Sampling Industrial Chemicals3. Requirements3.1 Engine coolant grade 1,3-propanediol shall conform to the chemical and physical property requirements in Table 1.4. Sampling4.1 Samp
10、le 1,3-propanediol in accordance with the appropriate sections of Practice E300 for liquid samples.5. Packaging, Package Marking, and Transportation5.1 The packaging, labeling, and transportation of commercial quantities shall conform to applicable federal, state, and localregulations. Conformance i
11、s the responsibility of the manufacturer and the shipper.1 This specification is under the jurisdiction of ASTM Committee D15 on Engine Coolants and Related Fluids and is the direct responsibility of Subcommittee D15.07on Specifications.Current edition approved Oct. 1, 2013Nov. 1, 2018. Published Oc
12、tober 2013November 2018. Originally approved in 2007. Last previous edition approved in 20082013as D3306D7388-08. 08 (2013). DOI: 10.1520/D7388-08R13.10.1520/D738818.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Bo
13、ok of ASTM Standardsvolume information, refer to the standardsstandards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not
14、 be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end
15、 of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States16. Keywords6.1 engine coolant; glycol; 1,3-propanediol; PDOASTM International takes no position respecting the validity of any patent rights asserted in connection with
16、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 technic
17、al committee and must be 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
18、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.This standard is copyrighted by ASTM International, 100 Barr Harbor
19、 Drive, PO Box C700, West Conshohocken, 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.as
20、tm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Physical and Chemical RequirementsRequirement Values for PDO ASTM TestMethod1,3-Propanediol, mass % 99.0 min underdevelopm
21、ent1,3-Propanediol, mass % 99.0 min D7515Dipropylene glycol, mass % 0.5 max E202Other glycols, mass % 0.2 max E202Total glycols, mass % 99.5 min E202pH at 50 % in DI water 6.00 9.00 D1287pH at 50 % in DI water 6.009.00 D1287Relative density, 20/20C 1.0520 1.0540 D1122, D4052,D5931Relative density, 2
22、0/20 C 1.05201.0540 D1122, D4052,D5931Water, mass % 0.5 max E202Water, mass % 0.5 max D1123Acidity as acetic acid, mass % 0.01 max E202Acidity as acetic acid, mass % 0.01 max D1613Glycol esters, mass % A AGlycol esters A AChloride ion, g/g (ppm) 5 max D3634, D5827BSulfate ion, g/g (ppm) 10 max D3634
23、Sulfate ion, g/g (ppm) 10 max D5827Nitrite, nitrate, phosphate (total, g/g(ppm)10 max D3634Nitrite, nitrate, phosphate (total, g/g(ppm)10 max D5827Silicon, g/g (ppm) 1 mx D6130Silicon, g/g (ppm) 1 max D6130Boron, g/g (ppm) 10 max D6130Aluminum, calcium, copper, iron,magnesium, lead, zinc (total, g/g
24、(ppm)5 max D6130Appearance Clear, no sus-pended matterE202Color, Pt/Co scale 25 max E202, D1209Color, Pt/Co scale 25 max D1209A A titration test method to determine glycol ester content is under development.Specific values will be established once the method has been standardized.However, this is an important property and until such time as specific values areincluded, a limit for glycol esters should be established by agreement between thesupplier and the customer.B In case of dispute, Test Method D3634 shall be the preferred test method.D7388 182
