ASTM_D_3144_-_21.pdf

Designation:D314421Standard Specification forCrosslinked Poly(Vinylidene Fluoride)Heat-ShrinkableTubing for Electrical Insulation1This standard is issued under the fixed designation D3144;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 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 semirigid,flame-retardant,crosslinked poly(vinylidene fluoride)heat-shrinkable tubingfor electrical insulation purposes.It is supplied in an expandedform and will shrink to its extruded diameter when heated.NOTE1This standard is similar but not identical to IEC 606843228.1.2 The values stated in inch-pound units are to be regardedas the standard,except temperature which shall be stated indegrees Celsius.Values in parentheses are for information only.1.3 This international standard 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.Referenced Documents2.1 ASTM Standards:2D910 Specification for Leaded Aviation GasolinesD1711 Terminology Relating to Electrical InsulationD2671 Test Methods for Heat-Shrinkable Tubing for Elec-trical UseD3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsD8355 Test Methods for Flammability of Electrical Insulat-ing Materials Used for Sleeving or TubingE176 Terminology of Fire Standards2.2 Military Standards:3MIL-H-5606 Hydraulic Fluid,Petroleum Base,Aircraft,Missile and OrdinanceMIL-T-5624 Turbine Fuel,Aviation,Grades JP-4 and JP-5MIL-L-7808 Lubrication Oil,Aircraft,Turbine Engine,Syn-thetic BaseMIL-L-23699 Lubrication Oil,Aircraft,Turbine Engines,Synthetic BaseMIL-A-8243 Anti-Icing and DeicingDefrosting Fluid2.3 Federal Standards:4SS-S-550 Sodium Chloride,Technical,for Water-SofteningUnits2.4 IEC Standard:5IEC 60684-3-228 Flexible insulating sleeving,Part 3,Sheet228:Heat-shrinkable,semi-rigid,polyvinylidene fluoridesleeving,flame retarded,fluid resistant,shrink ratio 2:13.Terminology3.1 Definitions:3.1.1 For definitions pertaining to electrical insulation,referto Terminology D1711.3.1.2 For definitions pertaining to fire standards,refer toTerminology E176.4.Ordering Information4.1 When tubings are ordered to this specification,it is up tothe purchaser to define the size and color of the requiredtubing.5.Materials and Manufacture5.1 The compound used in the manufacture of heat-shrinkable tubing shall be modified poly(vinylidene fluoride),and the finished compound shall be free of all foreign matterother than intended formulation additives as appropriate.5.2 The tubing shall be extruded,crosslinked,and thenexpanded to the required dimensions.6.Chemical Property Requirements6.1 The material shall conform to the chemical propertyrequirements specified in Table 1.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Electrical Insulating Materials.Current edition approved Jan.1,2021.Published February 2021.Originallyapproved in 1973.Last previous edition approved in 2013 as D3144 00(2013)1.DOI:10.1520/D3144-21.2For referenced 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.3Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.4Available from U.S.GovernmentAccountability Office(GAO),441 G St.,NW,Washington,DC 20548,http:/www.gao.gov.5Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.Copyright 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 Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.16.2 Every lot of material manufactured shall be tested forflammability(when applicable).Other chemical requirementsshall be permitted to be tested less frequently or at a frequencyagreed upon between the purchaser and the seller.7.Physical Property Requirements7.1 The material shall conform to the mechanical,thermal,and electrical requirements of Table 2.7.2 Every lot of material manufactured shall be tested forrestricted shrinkage,heat shock,tensile strength,and elonga-tion.Other physical re