1、Designation: D4363 98 (Reapproved 2010)An American National StandardStandard Specification forThermoplastic Chlorinated Polyethylene (CM) Jacket forWire and Cable1This standard is issued under the fixed designation D4363; 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.1. Scope1.1 This specification covers thermoplastic chlorinatedpolyethylene (CM
3、) compounds suitable for use as an outercovering or jacket on electrical cables.1.2 These jacket materials are suitable for use on cableswhich will be installed at temperatures above 35C.1.3 Whenever two sets of values are presented, in differentunits, the values in the first set are the standard, w
4、hile those inparentheses are for information only.2. Referenced Documents2.1 ASTM Standards:2D2633 Test Methods for Thermoplastic Insulations andJackets for Wire and CableD1499 Practice for Filtered Open-Flame Carbon-Arc Expo-sures of PlasticsD1711 Terminology Relating to Electrical InsulationG153 P
5、ractice for Operating Enclosed Carbon Arc LightApparatus for Exposure of Nonmetallic Materials3. Terminology3.1 Definitions: For definitions of terms used in this speci-fication refer to Terminology D1711.3.2 Definition of Term Specific to This Standard:3.2.1 aging, (act of), nexposure of materials
6、to air at atemperature of 121C for 168 h and oil at 100C for 18 h.4. Physical Properties4.1 Thermoplastic jackets shall conform to the requirementsfor physical properties specified in Table 1.4.2 When used on single-conductor non-shielded cablerated 2001 to 5000 V phase to phase, the jacket shall al
7、soconform to the requirements for surface resistivity and U-benddischarge prescribed in Table 2.5. Sunlight and Weather Resistance Requirements5.1 If sunlight and weather resistance are required of the-jackets, the jackets shall conform to the requirements specifiedin Table 3.6. Sampling6.1 Sample t
8、he jacket in accordance with Methods D2633.7. Test Methods7.1 Test the jacket in accordance with Methods D2633.Ifthe sunlight and weather resistance test is required, perform itin accordance with Practice D1499 and Practice G153.8. Keywords8.1 chlorinated polyethylene; heat distortion; oil immer-sio
9、n; sunlight resistance; tensile strength; tensile stress; ther-moplastic; weather resistance1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.18 on Solid Insulations, Non-Metallic S
10、hieldings and Coveringsfor Electrical and Telecommunication Wires and Cables.Current edition approved Oct. 1, 2010. Published October 2010. Originallyapproved in 1987. Last previous edition approved in 2003 as D436398(2003).DOI: 10.1520/D4363-98R10.2For referenced ASTM standards, visit the ASTM webs
11、ite, 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.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United Stat
12、es.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights,
13、are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional stan
14、dardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Comm
15、ittee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddre
16、ss or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Physical Properties for CM JacketPhysical Requirement (Or
17、iginal):Tensile strength, min, psi (MPa) 1400 (9.6)Tensile stress at 100 % elongation, min, psi (MPa) 1000 (6.9)Elongation at rupture, min, % 150Cold bend,A356 1C No CracksPhysical Requirements after aging in anair-oven at 121 6 1C for 168 h:Tensile strength, min, % of original 85Elongation at ruptu
18、re, min, % of original 50Physical Requirements after oil immersion for 18 h at100 6 1C:Tensile strength, min, % of original 60Elongation at rupture, min, % of original 60Heat distortion, 121 6 1C, max, % 25ARefer to Methods D2633, Table 8, Mandrel Requirements for Poly (VinylChloride) Jacket.TABLE 2
19、 Requirements for Surface Resistivity and U-BendDischargeSurface resistivity, min, MVA200 000U-bend discharge at the required cableinsulation ac test voltageNo cable failuresor cracks in the jacketAReported as megohms since the value is for specified length as required inMethods D2633.TABLE 3 Sunlight and Weather Resistance RequirementsAfter 720 h in a dual carbon-arc apparatus min, % Unaged ValueTensile strength, 80Elongation at rupture 80D4363 98 (2010)2
