1、Designation: D4363 12Standard 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 adoption or, in the case of revision, the year
2、 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) compounds suitable for use as an outercoverin
3、g 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 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provid
4、ed for information onlyand are not considered standard.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 InsulationG
5、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 D1711.3.2 Definitions of Terms Specific to This Standard:3.2.1 aging, (act of), nexposure of mat
6、erials 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 s
7、hall 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 ofthejackets, the jackets shall conform to the requirementsspecified in Table 3.6. Sampling6.1 Sam
8、ple the 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 imme
9、r-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 D09.07 on Electrical Insulating Materi
10、als.Current edition approved Jan. 1, 2012. Published February 2012. Originallyapproved in 1987. Last previous edition approved in 2010 as D4363 98 (2010).DOI: 10.1520/D4363-12.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. Fo
11、r Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ASTM International takes no position respecting the validity of any pat
12、ent 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, are entirely their own responsibility.This standard is subject to revision
13、 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 standardsand should be addressed to ASTM International Headquarters. Your comm
14、ents 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 Committee on Standards, at the address shown below.This standard is copyrighte
15、d 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 aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-m
16、ail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 1 Physical Properties for CM JacketPhysical Requirement (Original):Tensile strength,
17、 min, psi (MPa) 1400 (9.6)Tensile stress at 100 % elongation, min, psi (MPa) 1000 (6.9)Elongation at rupture, min, % 150Cold bend,A35 1C No CracksPhysical Requirements after aging in anair-oven at 121 1C for 168 h:Tensile strength, min, % of original 85Elongation at rupture, min, % of original 50Phy
18、sical Requirements after oil immersion for 18 h at100 1C:Tensile strength, min, % of original 60Elongation at rupture, min, % of original 60Heat distortion, 121 1C, max, % 25ARefer to Methods D2633, Table 8, Mandrel Requirements for Poly (Vinyl Chloride)Jacket.TABLE 2 Requirements for Surface Resist
19、ivity and U-BendDischargeSurface resistivity, min, MA200 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
