1、Designation:D314400(Reapproved 2013)1Standard 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
2、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.1NOTEEditorial changes were made throughout in January 2013.1.Scope1.1 This specification covers semi
3、rigid,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-po
4、und units are to be regardedas the standard,except temperature which shall be stated indegrees Celsius.Values in parentheses are for information only.2.Referenced Documents2.1 ASTM Standards:2D910 Specification for Aviation GasolinesD1711 Terminology Relating to Electrical InsulationD2671 Test Metho
5、ds for Heat-Shrinkable Tubing for Elec-trical UseD3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsE176 Terminology of Fire Standards2.2 Military Standards:3MIL-H-5606 Hydraulic Fluid,Petroleum Base,Aircraft,Missile and OrdinanceMIL-T-5624 Turbine Fuel,Aviation,G
6、rades 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:SS-S-550 Sodium Chloride,Technical,for Water-SofteningUnits42.4 IEC Standards
7、:606843228 Flexible insulating sleeving,Part 3,Sheet 228:Heat-shrinkable,semi-rigid,polyvinylidene fluoridesleeving,flame retarded,fluid resistant,shrink ratio 2:153.Terminology3.1 Definitions:3.1.1 For definitions pertaining to electrical insulation,referto Terminology D1711.3.1.2 For definitions p
8、ertaining 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 shal
9、l 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 shal
10、l conform to the chemical propertyrequirements specified in Table 1.6.2 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.1Th
11、is specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Flexible and Rigid Insulating Materials.Current edition approved Jan.15,2013.Published February 2013.Originallyapproved in 1973.
12、Last previous edition approved in 2006 as D3144 06.DOI:10.1520/D3144-00R13E01.2For 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 A
13、STM website.3Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.4Available from Superintendent of Documents,U.S.Government PrintingOffice,Washington,DC 20402.5Available from American National Standards Institute(ANSI),25 W.43rd
14、St.,4th Floor,New York,NY 10036.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 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 manu
15、factured shall be tested forrestricted shrinkage,heat shock,tensile strength,and elonga-tion.Other physical requirements shall be permitted to betested less frequently or at a frequency agreed upon betweenthe purchaser and seller.8.Dimensional Requirements8.1 The material shall conform to the dimens
16、ional require-ments of Table 3.8.2 Tubing with non-standard dimensions shall be permittedto be supplied when agreed upon between purchaser and seller.Tubing with non-standard dimensions shall be considered tocomply with this specification if the requirements of Table 1and Table 2 are satisfied and the minimum recovered wallthickness equals or exceeds that of the identical or next largestnominal size.The wall for sizes greater than 1 in.shall be atleast as thick as that of the 1 in.size.9.Workman
