1、Designation:D766020Standard Guide forConducting Internal Pressure Tests on United Nations(UN)Packagings1This standard is issued under the fixed designation D7660;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.Scope*1.1 This guide is intended to provide a standardized methodand a set of basic instructions for performing internal andhydrostatic pressur
3、e testing on packaging designs intended forshipping liquids in accordance with the United States Depart-ment of Transportation Title 49 Code of Federal Regulations(CFR)and the United Nations Recommendations on theTransport of Dangerous Goods(UN).1.2 This guide provides information to help clarify va
4、riousterms used as part of the United Nations(UN)certificationprocess that may assist in determining the applicable test.1.3 This guide provides the suggested minimum informa-tion that should be documented when conducting pressuretesting.1.4 This guide provides information for recommendedequipment a
5、nd fittings for conducting pressure tests.1.5 This guide is based on the current information containedin 49 CFR,173.27 and 178.605.1.6 When testing packaging designs intended for hazardousmaterials(dangerous goods),the user of this guide shall betrained in accordance with 49 CFR 172.700 and otherapp
6、licable hazardous materials regulations such as the ICAOTechnical Instructions,IMDG Code,and carrier rules such asthe IATA Dangerous Goods Regulations.1.7 UnitsThe values stated in SI units are to be regardedas standard.No other units of measurement are included in thisstandard.1.8 This standard doe
7、s 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 regulatory limitations prior to use.1.9 This international st
8、andard 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 Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Ref
9、erenced Documents2.1 ASTM Standards:2D4919 Guide for Testing of Hazardous Materials(Danger-ous Goods)PackagingsD4991 Test Method for Leakage Testing of Empty RigidContainers by Vacuum MethodD8134 Guide for Conducting Internal Hydrostatic PressureTests on United Nations(UN)IBC Design Types2.2 Federal
10、 Standard:3U.S.Department of Transportation Code of Federal Regu-lations Title 49,Transportation(49 CFR)Parts 100-1852.3 UN Standard:4UN United Nations Recommendations on the Transport ofDangerous Goods,Model Regulations(UN Orange Book)2.4 IATA Standard:5IATA International Air Transport Association(
11、IATA)Dan-gerous Goods Regulations2.5 ICAO Standard:6ICAO Technical Instructions for the Safe Transport ofDangerous Goods by Air1This guide is under the jurisdiction ofASTM Committee D10 on Packaging andis the direct responsibility of Subcommittee D10.22 on Hazardous Materials.Current edition approve
12、d April 1,2020.Published June 2020.Originallyapproved in 2010.Last previous edition approved in 2010 as D766010(2018).DOI:10.1520/D7660-20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume inf
13、ormation,refer to the standards Document Summary page onthe ASTM website.3Available from Superintendent of Documents,U.S.Government PrintingOffice,Washington,DC 20402-9371(website:https:/www.phmsa.dot.gov/phmsa-regulations).4Available from the UN Economic Commission for Europe,InformationService,Pal
14、ais des Nations,CH-1211 Geneva 10 Switzerland(website:http:/www.unece.org/trans/danger/danger.htm).5Available from the International Air Transport Association(IATA),800 PlaceVictoria PO Box 113 Montreal-H4Z 1M1 Quebec-Canada(website:http:/www.iata.org).66 Available from the International Civil Aviat
15、ion Organization,(ICAO)999University Street,Montral,Quebec H3C 5H7,Canada(website:http:/www.icao.org/).*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 stand
16、ard was developed in accordance with internationally recognized principles on standardization established 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.2.6 IMDG Standard:7International Maritime Dangerous Goods Code(IMDGCode)3.Terminology3.1 Definitions:3.1.1 bar,nmetric unit of atmospheric pressure equal to14.50 psi(lb/in.2),1.02 kg/cm2,29.53 in.-Hg,or 0.9869a