1、Designation: D2902 00 (Reapproved 2013)1An American National StandardStandard Specification forFluoropolymer Resin Heat-Shrinkable Tubing for ElectricalInsulation1This standard is issued under the fixed designation D2902; the number immediately following the designation indicates the year oforiginal
2、 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.1NOTELanguage was changed editorially in January 2013.1. Scope1.1 This specific
3、ation applies to flexible heat-shrinkableextruded tubing made from tetrafluoroethylene resin, copoly-mer of tetrafluoroethylene and hexafluoropropylene, and fromperfluoroalkoxy resin for use as electrical insulation.NOTE 1This standard is similar but not identical to IEC 606843240to 243.1.2 The valu
4、es 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.2. Referenced Documents2.1 ASTM Standards:2C618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in Con
5、creteD638 Test Method for Tensile Properties of PlasticsD1711 Terminology Relating to Electrical InsulationD2116 Specification for FEP-Fluorocarbon Molding andExtrusion MaterialsD2671 Test Methods for Heat-Shrinkable Tubing for Elec-trical UseD3307 Specification for Perfluoroalkoxy (PFA)-Fluorocarbo
6、n Resin Molding and Extrusion MaterialsD3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsD4895 Specification for Polytetrafluoroethylene (PTFE)Resin Produced From DispersionE176 Terminology of Fire Standards2.2 IEC Standards:606843240 to 243 Flexible insulating s
7、leeving, Part 3,Sheets 240 to 243: Heat-shrinkable PTFE sleeving33. 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. Classification4.1 Type ITubing made from
8、 tetrafluoroethylene polymer(TFE) and capable of being heat shrunk at a temperature of 327C 621 F.4.2 Type IITubing made from a copolymer of tetrafluoro-ethylene and hexafluoropropylene (FEP) and capable of beingheat shrunk at a temperature of 150 C 302 F.4.3 Type IIITubing made from perfluoroalkoxy
9、 resin(PFA) and capable of being heat shrunk at a temperature of 175C 347 F.5. Ordering Information5.1 When ordering to this specification, the purchaser muststate the size, and type of the required tubing.6. Materials and Manufacture6.1 The compound used in the manufacture of this tubingshall be mo
10、dified fluoropolymer resin, and the finished com-pound shall be free of all foreign matter other than intendedformulation additives as appropriate.6.2 Type I tubing is normally made by paste extrusion. TypeII and Type III tubings are normally made by melt extrusion.All types are expanded by mechanic
11、al means.7. Chemical and Physical Property Requirements7.1 The material shall conform to the chemical and physicalproperty requirements specified in Table 1.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsi
12、bility ofSubcommittee D09.07 on Flexible and Rigid Insulating Materials.Current edition approved January 15, 2013. Published February 2013. Originallyapproved in 1970. Last previous edition approved in 2006 as D2902 06. DOI:10.1520/D2902-00R13E01.2For referenced ASTM standards, visit the ASTM websit
13、e, 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 American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036.Copyrig
14、ht ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17.2 Every lot of material manufactured should be tested fordimensional requirements and restricted shrinkage. Other re-quirements shall be permitted to be tested less frequently orwith a freque
15、ncy agreed upon between seller and purchaser.8. Dimensional Requirements8.1 Type I material shall conform to the requirementsspecified in Table 3.TABLE 3 Dimensions, Type ILengths for Type IAs Supplied After Unrestrictive ShrinkageStock Lengths PackagingInside Diameter, min, in. mm Inside Diameter,
16、max, in. mm Wall Thickness, in. mmHeavy Wall0.166 4.22 0.130 3.30 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.250 6.35 0.193 4.90 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.333 8.46 0.257 6.53 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.415 10.54 0.320 8.13 0.
17、030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.498 12.65 0.383 9.73 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.580 14.73 0.448 11.38 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.666 16.92 0.510 12.95 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.748 19.00
18、 0.572 14.53 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.830 21.1 0.637 16.18 0.030 0.005 0.76 0.13 3 ft to 1 ft min straight lengths0.915 23.2 0.700 17.78 0.032 0.006 0.81 0.15 3 ft to 1 ft min straight lengths1.000 25.4 0.764 19.41 0.040 0.007 1.02 0.18 3 ft to 1 ft min straight lengt
19、hs1.170 29.7 0.891 22.6 0.045 0.007 1.14 0.18 3 ft to 1 ft min straight lengthsTABLE 1 Chemical and Physical Property RequirementsPropertyRequirementType I Type II Type IIIRestricted shrinkage,AProcedure B, 2000 V, 10 min no cracking no cracking no crackingSpecific gravity 2.13 to 2.18 2.12 to 2.20
20、2.13 to 2.20Longitudinal change, max, % + 20 15 15Tensile modulus at 200 % elongation, min, psi MPa Test Method D6382 in./min 50 mm/min2000 13.8 1500 10.3 2500 17.3Volume resistivityB, ohm-cm, at standard laboratory atmosphere, min 101610161016Dielectric breakdown voltage, min kV:Wall thickness 0.00
21、4 to 0.006 in. 8 8 80.007 to 0.008 in. 10 10 100.009 in. 11.5 11.5 11.50.010 to 0.011 in. 12.5 12.5 12.50.012 to 0.014 in. 14.6 14.6 14.60.015 in. 15 15 150.016 to 0.019 in. 16.3 16.3 16.30.020 in. and larger 17 17 17Heat resistance: for 96 h followed by tests for tensile modulus at200 % elongation,
22、 min, psi MPaTypeI3504C6627F 2000 13.8TypeII2503C4826F 1500 10.3TypeIII2754C5277F 2500 17.3Low-temperature flexibility, 55 2 C 67 4 F no cracking no cracking no crackingMelting point:Specification D4895 32710C621 20 FSpecification D2116 27020C51840FSpecification D3307 endotherm peak, min 3002C5727FS
23、pecification D3307 3053C581 5 FAFor over-expanded sleeving, use a mandrel equal to the enclosable diameters (D + d)/2.BSee Specification C618.TABLE 2 Mandrel Sizes for Low-Temperature Flexibility TestingNominal Tubing InsideDiameter (max afterunrestricted shrinkage)Mandrel Diameter,in. mm in. mm0.01
24、5 to 0.125 0.38 to 3.2 0.3125 0.002 7.95 0.060.126 to 0.250 3.3 to 6.3 0.375 0.003 8.06 0.070.251 to 1.000 6.4 to 26 0.437 0.004 11.10 0.101.001 to 2.000 27 to 50 0.875 0.005 16.13 0.132.001 to 3.000 51 to 75 1.000 0.005 25.40 0.133.001 to 4.000 76 to 101 1.125 0.005 28.58 0.13D2902 00 (2013)12TABLE
25、 3 ContinuedAs Supplied After Unrestrictive ShrinkageStock Lengths PackagingInside Diameter, min, in. mm Inside Diameter, max, in. mm Wall Thickness, in. mm1.330 33.8 1.020 25.9 0.050 0.008 1.27 0.20 3 ft to 1 ft min straight lengthsStandard Wall0.045 1.14 0.027 0.69 0.012 0.002 0.30 0.050.050 1.27
26、0.032 0.81 0.012 0.002 0.30 0.05 3 ft min spools0.055 1.40 0.039 0.99 0.016 0.003 0.41 0.08 3 ft min spools0.060 1.52 0.043 1.09 0.016 0.003 0.41 0.08 3 ft min spools0.065 1.65 0.049 1.24 0.016 0.003 0.41 0.08 3 ft min spools0.076 1.93 0.054 1.37 0.016 0.003 0.41 0.08 3 ft min spools0.085 2.16 0.061
27、 1.55 0.016 0.003 0.41 0.08 3 ft min spools0.093 2.36 0.067 1.70 0.016 0.003 0.41 0.08 3 ft min spools0.110 2.79 0.072 1.83 0.016 0.003 0.41 0.08 3 ft min spools0.120 3.05 0.080 2.03 0.016 0.003 0.41 0.08 3 ft, 2 ft, 1 ft straight lengths0.140 3.56 0.089 2.26 0.016 0.003 0.41 0.08 3 ft, 2 ft, 1 ft s
28、traight lengths0.160 4.06 0.101 2.56 0.016 0.003 0.41 0.08 3 ft, 2 ft, 1 ft straight lengths0.180 4.57 0.112 2.84 0.016 0.003 0.41 0.08 3 ft, 2 ft, 1 ft straight lengths0.200 5.08 0.124 3.15 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.210 5.33 0.130 3.30 0.020 0.004 0.51 0.10 3 ft, 2 ft
29、, 1 ft straight lengths0.230 5.84 0.141 3.58 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.240 6.10 0.158 4.01 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.290 7.37 0.178 4.52 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.310 7.87 0.198 5.03 0.020 0.004 0.51 0.10 3
30、ft, 2 ft, 1 ft straight lengths0.370 9.40 0.224 5.69 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.390 9.91 0.249 6.32 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.410 10.41 0.260 6.60 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.430 10.92 0.278 7.06 0.020 0.004 0.
31、51 0.10 3 ft, 2 ft, 1 ft straight lengths0.450 11.43 0.311 7.90 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.329 8.36 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.347 8.81 0.020 0.004 0.51 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.334 8.48 0.
32、025 0.005 0.64 0.13 3 ft, 1 ft min straight lengths0.560 14.22 0.339 8.61 0.025 0.005 0.64 0.13 3 ft, 1 ft min straight lengths0.655 16.64 0.462 11.73 0.025 0.005 0.64 0.13 3 ft, 1 ft min straight lengths0.750 19.05 0.524 13.31 0.025 0.005 0.64 0.13 3 ft, 1 ft min straight lengths0.930 23.6 0.655 16
33、.64 0.030 0.005 0.76 0.13 3 ft, 1 ft min straight lengths1.125 28.6 0.786 20.0 0.035 0.006 0.89 0.15 3 ft, 1 ft min straight lengths1.310 33.3 0.911 23.1 0.035 0.006 0.89 0.15 3 ft, 1 ft min straight lengths1.500 38.1 1.036 26.3 0.035 0.006 0.89 0.15 3 ft, 1 ft min straight lengthsThin Wall0.034 0.8
34、6 0.015 0.38 0.009 0.002 0.23 0.05 3 ft min spools0.038 0.97 0.018 0.46 0.009 0.002 0.23 0.05 3 ft min spools0.046 1.17 0.022 0.56 0.009 0.002 0.23 0.05 3 ft min spools0.050 1.27 0.027 0.69 0.010 0.002 0.25 0.05 3 ft min spools0.055 1.40 0.032 0.81 0.010 0.002 0.25 0.05 3 ft min spools0.060 1.52 0.0
35、39 0.99 0.012 0.003 0.30 0.08 3 ft min spools0.065 1.65 0.043 1.09 0.012 0.003 0.30 0.08 3 ft min spools0.076 1.93 0.049 1.24 0.012 0.003 0.30 0.08 3 ft min spools0.085 2.16 0.054 1.37 0.012 0.003 0.30 0.08 3 ft min spools0.093 2.36 0.061 1.55 0.012 0.003 0.30 0.08 3 ft min spools0.110 2.79 0.067 1.
36、70 0.012 0.003 0.30 0.08 3 ft min spools0.120 3.05 0.072 1.83 0.012 0.003 0.30 0.08 3 ft, 2 ft, 1 ft straight lengths0.140 3.56 0.080 2.03 0.012 0.003 0.30 0.08 3 ft, 2 ft, 1 ft straight lengths0.150 3.81 0.089 2.26 0.012 0.003 0.30 0.08 3 ft, 2 ft, 1 ft straight lengths0.170 4.32 0.101 2.56 0.012 0
37、.003 0.30 0.08 3 ft, 2 ft, 1 ft straight lengths0.191 4.85 0.112 2.84 0.012 0.003 0.30 0.08 3 ft, 2 ft, 1 ft straight lengths0.205 5.21 0.124 3.15 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.215 5.46 0.130 3.30 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.240 6.10 0.141 3.58
38、 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.270 6.86 0.158 4.01 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.302 7.67 0.178 4.53 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.320 8.13 0.198 5.03 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.370 9.40 0.
39、224 5.69 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.390 9.91 0.249 6.32 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.410 10.41 0.260 6.60 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.430 10.92 0.278 7.06 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.4
40、50 11.43 0.311 7.90 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.329 8.36 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.470 11.94 0.347 8.81 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straight lengths0.560 14.22 0.399 10.13 0.015 0.004 0.38 0.10 3 ft, 2 ft, 1 ft straig
41、ht lengths0.560 14.22 0.399 10.13 0.020 0.005 0.51 0.13 3 ft, 2 ft, 1 ft straight lengths0.655 16.64 0.462 11.73 0.018 0.005 0.46 0.13 3 ft, 2 ft, 1 ft straight lengths0.655 16.64 0.462 11.73 0.020 0.005 0.51 0.13 3 ft, 2 ft, 1 ft straight lengths0.750 19.05 0.524 13.31 0.018 0.005 0.46 0.13 3 ft, 2
42、 ft, 1 ft straight lengths0.750 19.05 0.524 13.31 0.020 0.005 0.51 0.13 3 ft, 2 ft, 1 ft straight lengths0.930 23.6 0.655 16.64 0.020 0.005 0.51 0.13 3 ft, 2 ft, 1 ft straight lengths0.930 23.6 0.655 16.64 0.025 0.005 0.64 0.13 3 ft, 2 ft, 1 ft straight lengthsD2902 00 (2013)13TABLE 3 ContinuedAs Su
43、pplied After Unrestrictive ShrinkageStock Lengths PackagingInside Diameter, min, in. mm Inside Diameter, max, in. mm Wall Thickness, in. mm1.125 28.6 0.786 20.0 0.025 0.005 0.64 0.13 3 ft, 2 ft, 1 ft straight lengths1.125 28.6 0.786 20.0 0.030 0.006 0.76 0.15 3 ft, 2 ft, 1 ft straight lengths2.0:1 S
44、hrink Factor0.039 1 0.020 0.50 0.010 0.002 0.25 0.05 4 ft straight lengths0.0591.5 0.030 0.75 0.010 0.002 0.25 0.05 4 ft straight lengths0.098 2.5 0.049 1.25 0.010 0.002 0.25 0.05 4 ft straight lengths0.138 3.5 0.069 1.75 0.010 0.002 0.25 0.05 4 ft straight lengths0.197 5 0.098 2.5 0.010 0.002 0.25
45、0.05 4 ft straight lengths0.276 7 0.138 3.5 0.020 0.004 0.50 0.10 4 ft straight lengths0.394 10 0.197 5.0 0.020 0.004 0.50 0.10 4 ft straight lengths0.512 13 0.256 6.5 0.020 0.004 0.50 0.10 4 ft straight lengths0.827 20 0.394 10.0 0.020 0.004 0.50 0.10 4 ft straight lengths1.024 26 0.512 13.0 0.030
46、0.004 0.75 0.10 4 ft straight lengthsVery Thin Wall0.050 1.27 0.027 0.69 0.006 0.002 0.15 0.05 3 ft spools0.055 1.40 0.032 0.81 0.006 0.002 0.15 0.05 3 ft spools0.060 1.52 0.039 0.99 0.006 0.002 0.15 0.05 3 ft spools0.065 1.65 0.043 1.09 0.006 0.002 0.15 0.05 3 ft spools0.076 1.93 0.049 1.24 0.006 0.002 0.15 0.05 3 ft spools0.085 2.16 0.054 1.37 0.006 0.002 0.15 0.05 3 ft spools0.093 2.36 0.
