1、Designation:D192920Standard Test Method forDetermining Ignition Temperature of Plastics1This standard is issued under the fixed designation D1929;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in p
2、arentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This fire test response test method2covers a laboratorydetermination of the flash ignition temperature and spontane-ous ignition temperature of plast
3、ics using a hot-air furnace.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 CautionDuring the course of combustion,gases orvapors,or both,are evolved that have the potential to behazardous to personnel.1.4 This standard i
4、s used to measure and describe theresponse of materials,products,or assemblies to heat andflame under controlled conditions,but does not by itselfincorporate all factors required for fire-hazard or fire-riskassessment of the materials,products,or assemblies underactual fire conditions.1.5 Fire testi
5、ng is inherently hazardous.Adequate safe-guards for personnel and property shall be employed inconducting these tests.1.6 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
6、safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.Specific precautionary statements are given in 1.3 and 1.4.NOTE1This test method and ISO 871-1996 are similar in all technicaldetails.1.7 This international standard was developed in acc
7、or-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.Referenced Documents2.1 ASTM S
8、tandards:3D618 Practice for Conditioning Plastics for TestingD883 Terminology Relating to PlasticsE176 Terminology of Fire StandardsE456 Terminology Relating to Quality and StatisticsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodE2653 Practice for Co
9、nducting an Interlaboratory Study toDetermine Precision Estimates for a Fire Test Methodwith Fewer Than Six Participating LaboratoriesE2935 Practice for Conducting Equivalence Testing inLaboratory Applications2.2 International Standards:4,5ISO 871-1996 PlasticsDetermination of Ignition Tempera-ture
10、Using a Hot-Air FurnaceISO 5725:1994 Accuracy(trueness and precision)of Mea-surement Methods and ResultsISO 13943:2017 Fire SafetyVocabularyIEC 584-2 ThermocouplesPart 2:Tolerances3.Terminology3.1 For definitions of terms relating to plastics,the defini-tions in this test method are in accordance wi
11、th TerminologyD883.For terms relating to fire,the definitions in this testmethod are in accordance with Terminology E176 andISO 13943.In case of conflict,the definitions given in Termi-nology E176 shall prevail.For terms relating to precision andbias and associated issues,the terms used in this test
12、 methodare in accordance with the definitions in Terminology E456.3.2 Definitions of Terms Specific to This Standard:1This test method is under the jurisdiction of ASTM Committee D20 on Plasticsand is the direct responsibility of Subcommittee D20.30 on Thermal Proper-ties.30.03).Current edition appr
13、oved Jan.1,2020.Published January 2020.Originallyapproved in 1962.Last previous edition approved in 2019 as D1929 19.DOI:10.1520/D1929-20.In 1996,this test method was totally revised to be technically equal to ISO871-1996,and a specific air velocity is specified,which eliminates the need forapproxim
14、ations.2The following reference may be of interest in connection with this test method:Stetchkin,N.P.,“A Method and Apparatus for Determining the Ignition Charac-teristics of Plastics,”Journal of Research,National Institute of Standards andTechnology,Vol 43,No.6,December 1949(RP 2052),p.591.3For ref
15、erenced 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.4Available from American National Standards Institute(ANSI),25 W.43rd St.,
16、4th Floor,New York,NY 10036,http:/www.ansi.org.5Available from International Organization for Standardization(ISO),ISOCentral Secretariat,BIBC II,Chemin de Blandonnet 8,CP 401,1214 Vernier,Geneva,Switzerland,http:/www.iso.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 standard was developed in accordance with internationally recognized principles on