1、Designation:D835521Standard Test Methods forFlammability of Electrical Insulating Materials Used forSleeving or Tubing1This standard is issued under the fixed designation D8355;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.NOTESubsection 1.2.1 was added and the yeardate was changed on March 31,2021.1.Scope1.1 This is a fire-test-response standard.1.2
3、This fire test response standard contains various testsapplicable to electrical insulation materials used for sleeving orfor tubing(including heat-shrinkable tubing).1.2.1 Test methods C and D are applicable to heat-shrinkable tubing only.1.3 Use the values stated in SI units in referee decisions;se
4、eIEEE/ASTM SI-10.The values given in parentheses after SIunits are provided for information only and are not consideredstandard.1.4 This standard is used to measure and describe theresponse of materials,products,or assemblies to heat andflame under controlled conditions,but does not by itselfincorpo
5、rate all factors required for fire hazard or fire riskassessment of the materials,products,or assemblies underactual fire conditions.1.5 Fire testing is inherently hazardous.Adequate safe-guards for personnel and property shall be employed inconducting these tests.1.6 This standard does not purport
6、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.1.7 This international standard was dev
7、eloped 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.Referenced Docume
8、nts2.1 ASTM Standards:2D350 Test Methods for Flexible Treated Sleeving Used forElectrical InsulationD876 Test Methods for Nonrigid Vinyl Chloride PolymerTubing Used for Electrical InsulationD1711 Terminology Relating to Electrical InsulationD2671 Test Methods for Heat-Shrinkable Tubing for Elec-tric
9、al UseD2903 Specification for Crosslinked Chlorinated PolyolefinHeat-Shrinkable Tubing for Electrical InsulationD3144 Specification for Crosslinked Poly(Vinylidene Fluo-ride)Heat-Shrinkable Tubing for Electrical InsulationD3150 Specification for Crosslinked and NoncrosslinkedPoly(Vinyl Chloride)Heat
10、-Shrinkable Tubing for Electri-cal InsulationD5025 Specification for Laboratory Burner Used for Small-Scale Burning Tests on Plastic MaterialsD5207 Practice for Confirmation of 20-mm(50-W)and125-mm(500-W)Test Flames for Small-Scale BurningTests on Plastic MaterialsE176 Terminology of Fire Standards2
11、.2 ISO Standard:3ISO 13943 Fire Safety Vocabulary2.3 Federal Standard:4PPP-T-45D Federal Specification for Tape;Paper,Gummed(Kraft)2.4 UL Standards:5UL 224 Extruded Insulated TubingUL 1441 Coated Electrical Sleeving1These test methods are under the jurisdiction of ASTM Committee D09 onElectrical and
12、 Electronic Insulating Materials and are the direct responsibility ofSubcommittee D09.17 on Fire and Thermal Properties.Current edition approved March 31,2021.Published April 2021.Last previousedition approved in 2020 as D8355 20.DOI:10.1520/D8355-21.2For referenced ASTM standards,visit the ASTM web
13、site,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.3Available from International Organization for Standardization(ISO),ISOCentral Secretariat,BIBC II,Chemin de Blando
14、nnet 8,CP 401,1214 Vernier,Geneva,Switzerland,http:/www.iso.org.4Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.5Available from Underwriters Laboratories(UL),UL Headquarters,333 Pfing-sten Road,Northbrook,IL,60062,http:/.Cop
15、yright 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 standardization established in the Decision on Principles for theDevelopment of International
16、 Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1UL 2556 Wire and Cable Test Methods3.Terminology3.1 Definitions:3.1.1 For definitions of terms relating to electrical andelectronic insulating materials,the definitions in these testmethods are in accordance with Terminology D1711.For termsrelating to fire,the definitions in this test method are inaccordance with Terminology E176 and ISO 13943.In case ofconflict,the definitions
