1、Designation: D 4363 98 (Reapproved 2003)An American National StandardStandard Specification forThermoplastic Chlorinated Polyethylene (CM) Jacket forWire and Cable1This standard is issued under the fixed designation D 4363; the number immediately following the designation indicates the year oforigin
2、al adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers thermoplastic chlorinatedpolyethylene
3、(CM) 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
4、, while those inparentheses are for information only.2. Referenced Documents2.1 ASTM Standards:2D 2633 Test Methods for Thermoplastic Insulations andJackets for Wire and CableD 1499 Practice for Filtered Open-Flame Carbon Arc TypeExposures of PlasticsD 1711 Terminology Relating to Electrical Insulat
5、ionG 153 Practice 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 D 1711.3.2 Definition of Term Specific to This Standard:3.2.1 aging, (act of), nexposure of
6、 materials 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 jack
7、et shall alsoconform 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
8、.1 Sample the jacket in accordance with Methods D 2633.7. Test Methods7.1 Test the jacket in accordance with Methods D 2633.Ifthe sunlight and weather resistance test is required, perform itin accordance with Practice D 1499 and Practice G 153.8. Keywords8.1 chlorinated polyethylene; heat distortion
9、; oil immer-sion; 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,
10、 Non-Metallic Shieldings and Coveringsfor Electrical and Telecommunication Wires and Cables.Current edition approved Oct. 1, 2003. Published February 1999. Originallyapproved in 1987. Last previous edition approved in 1998 as D 436398.2For referenced ASTM standards, visit the ASTM website, www.astm.
11、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.TABLE 1 Physical Properties for CM JacketPhysical Requirement (Original):Tensile strength, min, psi (MPa) 1400 (9.6)Tensile st
12、ress 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 rupture, min, % of original 50Physical Requirements after oil imme
13、rsion 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 D 2633, Table 8, Mandrel Requirements for Poly (VinylChloride) Jacket.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700,
14、West Conshohocken, PA 19428-2959, United States.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,
15、 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 revised, either reapproved or withdrawn. Your comments are invited either for rev
16、ision of this standard or for additional standardsand 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
17、 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,United States. Individual reprints (single or multiple copies) of this standard may be
18、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).TABLE 2 Requirements for Surface Resistivity and U-BendDischargeSurface resistivity, min, MVA200 000U-bend discharge at the required
19、cableinsulation ac test voltageNo cable failuresor cracks in the jacketAReported as megohms since the value is for specified length as required inMethods D 2633.TABLE 3 Sunlight and Weather Resistance RequirementsAfter 720 h in a dual carbon-arc apparatus min, % Unaged ValueTensile strength, 80Elongation at rupture 80D 4363 98 (2003)2
