1、Designation:D431303 (Reapproved 2010) Designation: D4313 12An American National StandardStandard Specification forGeneral-Purpose, Heavy-Duty, and Extra-Heavy-DutyCrosslinked Chlorinated Polyethylene (CM) Jackets For Wireand Cable1This standard is issued under the fixed designation D4313; the number
2、 immediately following the designation indicates 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
3、 This specification covers crosslinked chlorinated polyethylene (CM) compounds suitable for use as outer coverings orjackets on electrical cables for general-purpose, heavy-duty, and extra-heavy-duty service.1.2 These jacket materials are not recommended for use on cables which are to be installed a
4、t a temperature less than 25C.1.3Whenever two sets of values are presented, in different units, the values in the first 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 a
5、re mathematicalconversions to SI units that are provided for information only and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2D470 Test Methods for Crosslinked Insulations and Jackets for Wire and CableD1499 Practice for Filtered Open-Flame Carbon-Arc Exposures of Plastics
6、D1711 Terminology Relating to Electrical InsulationG153 Practice for Operating Enclosed Carbon Arc Light Apparatus for 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 Thi
7、s Standard:3.2.1 aging (act of), nexposure of materials to air at a temperature of 121C for 168 h and oil at 121C for 18 h.4. Physical Properties4.1 Crosslinked jackets shall conform to the requirements for physical properties specified in Table 1.5. Sunlight and Weather Resistance Requirements5.1 I
8、f sunlight and weather resistance are required of the crosslinked jackets, the jackets shall conform to the requirementsspecified in Table 2.6. Sampling6.1 Sample the jacket in accordance with Test Methods D470.7. Test Methods7.1 Test the jacket in accordance with Test Methods D470. If the sunlight
9、and weather resistance test is required, perform it inaccordance with Practice D1499 and Practice G153.8. Keywords8.1 chlorinated polyethylene; crosslinked; oil immersion; sunlight resistance; tear; tensile strength; tensile stress; tension test;1This specification is under the jurisdiction of ASTM
10、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 Cables.Current edition approved Oct.Jan. 1, 2010.2012. Published October 2
11、010.February 2012. Originally approved in 1987. Last previous edition approved in 20032010 asD4313 03(2010). DOI: 10.1520/D4313-03R10.10.1520/D4313-12.2For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Stand
12、ardsvolume 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 made to the previous version. Becauseit may not be technically possible
13、 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.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West C
14、onshohocken, PA 19428-2959, United States.weather resistanceASTM 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 pa
15、tent 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 revised, either reapproved or withdrawn. Your comments are invited ei
16、ther for revision 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
17、 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,United States. Individual reprints (single or multiple copies) of this stan
18、dard 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 also be secured from the ASTM website (www.astm.org/COPYRIGHT/).TABLE 2
19、Sunlight and Weather Resistance Requirementsmin,% Original ValueAfter 720 h in a dual carbon-arc apparatus:Tensile Strength 80Elongation 80TABLE 1 Physical Properties for CM JacketGeneral-PurposeHeavy-DutyExtra-Heavy-DutyPhysical Requirements (Original):Tensile strength, min, psi (MPa) 1200 (8.3) 18
20、00 (12.4) 2400 (16.5)Tensile stress at 200 % elongation,min, psi (MPa). 500 (3.4) 700 (4.8)Elongation at rupture, min, % 200 300 300Tension set, max, % 35 30 30Physical Requirements Afteraging in an air ovenat 121 6 1C for 168 h:Tensile strength, min, % of original 75 85 70Elongation at rupture, min, % oforiginal50 55 55Physical Requirements After oilimmersion at 121C for 18 h:Tensile strength, min, % of original 60 60 60Elongation at rupture, min, % oforiginal60 60 60D4313 122
