1、)Designation:D 2695-87 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1916 Race St.,Philadelphia,Pa.i9103 Reprinted from the Annual Bwk of ASTM Standards,Copyright A S T M If not listed in the current combined Index,will appear in the next edition.Standard Specification for Propylene Glycols2 This stand
2、ard is issued under the fixed designation D 2695;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(e)indicates an editorial
3、change since the last revision or reapproval.1.Scope the preparation of surface coatings.2.Referenced Documents 2.1 ASTM Standards:D4052 Test Method for Density and Relative Density of E 202 Method for Analysis of Ethylene Glycols and E 300 Practice for Sampling Industrial Chemicals 2.2 US,Federal S
4、peciJicaton:PPP-(2-2020 Chemicals,Liquid,Dry,and Paste:Packaging I.1 This specification covers propylene glycol for use in Liquids by Digital Density Mete?Propylene Glycols4 of 3.Properties quirements:3,l Propylene giycol sliail conform to the following re-This specification is under the jurisdictio
5、n of ASTM Committee D-1 on Paint and Related Coatings and Materials and is the direct responsibilty of Subcom-mittee W1.35 on Solvents,Plasticizers,and Chemical Intermediates.Current edition approved May 29,1987.Published July 1987.Originally published as D 2695-68.Last previous edition D 2695-83.Th
6、is compound is also known as 1,2-propanediol.Annual Book o$ASTM Standards,Vol 05.03.Annual Book o$ASTM Standards,Vol 15.05.Annual Book OsASTMStandards,Vols 06.03 and 15.05.Available from Naval Publications and Forms Center,5801 Tabor Ave.,Philadelphia,PA 19120.Apparent specific gravity 20/20c 25125C
7、 Color,Pt-Co units,max Distillation range,760 mm Hg Initiai boiling point,min,C D r y point,C,max Water,wt%,max Acidity as acetic acid,wt%,max Dipropylene glycol,wt%,max iron,ppm,max 1.0375 to 1.0390 1.0351 to 1.0366 15 185 190 0.2 0.005 1.O 0.5 4.Sampling Practice E 300.4.1 The material shall be sa
8、mpled in accordance with 5.Test Methods be determined in accordance with Method E 202.accordance with Test Method D 4052.5.1 The properties enumerated in this specification shall 5.2 The specific gravity can also be determined in 6.Packaging and Package Marking 6.1 Package size shall be agreed upon
9、by the purchaser and the supplier.6.2 Packaging shall conform to applicable carrier rules and regulations or when specified shaii conform to Fed.Spec.PPP-C-2020.The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection with a
10、ny item mentioned in this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,are entirely their own responsibllity.This standard is subject to revision at any time by the responsible technical
11、 committee and must be reviewed every five years and if not revised,either reapprovedor withdrawn.Your comments are invited either for revision of this standard or for additionalstandards and should be addressed to ASTM Headquaden.Your comments will receive careful consideration at a meeting of the
12、responsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards,1916 Race St.,Philadelphia,PA 19103.1 NOTICE:This standard has either been superseded and replaced by a new version or discontinued.Contact ASTM International(www.astm.org)for the latest information.
