1、Designation:D4363 98 (Reapproved 2010) Designation: D4363 12An 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 indicate
2、s 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 thermoplastic chlori
3、nated polyethylene (CM) compounds suitable for use as an outer covering orjacket on electrical cables.1.2 These jacket materials are suitable for use on cables which will be installed at temperatures above 35C.1.3Whenever two sets of values are presented, in different units, the values in the first
4、set are the standard, while those inparentheses are for information only.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.2. Referen
5、ced Documents2.1 ASTM Standards:2D2633 Test Methods for Thermoplastic Insulations and Jackets for Wire and CableD1499 Practice for Filtered Open-Flame Carbon-Arc Exposures of PlasticsD1711 Terminology Relating to Electrical InsulationG153 Practice for Operating Enclosed Carbon Arc Light Apparatus fo
6、r Exposure of Nonmetallic Materials3. Terminology3.1 Definitions: For definitions of terms used in this specification refer to Terminology D1711.3.2 Definition of Term Specific to This Standard:3.2.1 aging, (act of), nexposure of materials to air at a temperature of 121C for 168 h and oil at 100C fo
7、r 18 h.4. Physical Properties4.1 Thermoplastic jackets shall conform to the requirements for physical properties specified in Table 1.4.2 When used on single-conductor non-shielded cable rated 2001 to 5000 V phase to phase, the jacket shall also conform tothe requirements for surface resistivity and
8、 U-bend discharge prescribed in Table 2.5. Sunlight and Weather Resistance Requirements5.1 If sunlight and weather resistance are required of thejackets, the jackets shall conform to the requirements specified in Table3.6. Sampling6.1 Sample the jacket in accordance with Methods D2633.7. Test Method
9、s7.1 Test the jacket in accordance with Methods D2633. If the sunlight and weather resistance test is required, perform it inaccordance with Practice D1499 and Practice G153.8. Keywords8.1 chlorinated polyethylene; heat distortion; oil immersion; sunlight resistance; tensile strength; tensile stress
10、; thermoplastic;1This specification is under the jurisdiction of ASTM Committee D09 on Electrical and Electronic Insulating Materials and is the direct responsibility of SubcommitteeD09.18 on Solid Insulations, Non-Metallic Shieldings and Coverings for Electrical and Telecommunication Wires and Cabl
11、es.Current edition approved Oct.Jan. 1, 2010.2012. Published October 2010.February 2012. Originally approved in 1987. Last previous edition approved in 20032010 asD436398(20103). DOI: 10.1520/D4363-98R10.10.1520/D4363-12.2For referencedASTM standards, visit theASTM website, www.astm.org, or contactA
12、STM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been m
13、ade to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Co
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15、re expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, 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
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17、ou may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee 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,Unite
18、d States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress 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 al
19、so be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 1 Physical Properties for CM JacketPhysical Requirement (Original):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 CracksP
20、hysical Requirements after aging in anair-oven at 121 6 1C for 168 h:Tensile strength, min, % of original 85Elongation at rupture, 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 60Hea
21、t distortion, 121 6 1C, max, % 25ARefer to Methods D2633, Table 8, Mandrel Requirements for Poly (VinylChloride) Jacket.TABLE 2 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 122
