1、Designation: D 4313 03An 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 D 4313; the number immediately following the designati
2、on 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 (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers crosslin
3、ked chlorinated poly-ethylene (CM) compounds suitable for use as outer coveringsor jackets on electrical cables for general-purpose, heavy-duty,and extra-heavy-duty service.1.2 These jacket materials are not recommended for use oncables which are to be installed at a temperature lessthan 25C.1.3 Whe
4、never two sets of values are presented, in differentunits, the values in the first set are the standard, while those inparentheses are for information only.2. Referenced Documents2.1 ASTM Standards:2D 470 Test Methods for Crosslinked Insulations and Jacketsfor Wire and CableD 1499 Practice for Filte
5、red Open-Flame Carbon-Arc Ex-posures of PlasticsD 1711 Terminology Relating to Electrical InsulationG 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 Termin
6、ology D 1711.3.2 Definition of Term Specific to This Standard:3.2.1 aging (act of), nexposure of materials to air at atemperature of 121C for 168 h and oil at 121C for 18 h.4. Physical Properties4.1 Crosslinked jackets shall conform to the requirementsfor physical properties specified in Table 1.5.
7、Sunlight and Weather Resistance Requirements5.1 If sunlight and weather resistance are required of thecrosslinked jackets, the jackets shall conform to the require-ments specified in Table 2.6. Sampling6.1 Sample the jacket in accordance with Test MethodsD 470.7. Test Methods7.1 Test the jacket in a
8、ccordance with Test Methods D 470.If the sunlight and weather resistance test is required, performit in accordance with Practice D 1499 and Practice G 153.8. Keywords8.1 chlorinated polyethylene; crosslinked; oil immersion;sunlight resistance; tear; tensile strength; tensile stress; tensiontest; wea
9、ther 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 Shieldings and Coveringsfor Electrical and Telecommunication Wires and Cables.
10、Current edition approved Oct. 1, 2003. Published November 2003. Originallyapproved in 1987. Last previous edition approved in 1998 as D 4313 98.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards v
11、olume information, refer to the standards Document Summary page onthe ASTM website.TABLE 1 Physical Properties for CM JacketGeneral-PurposeHeavy-DutyExtra-Heavy-DutyPhysical Requirements (Original):Tensile strength, min, psi (MPa) 1200 (8.3) 1800 (12.4) 2400 (16.5)Tensile stress at 200 % elongation,
12、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 oilimm
13、ersion at 121C for 18 h:Tensile strength, min, % of original 60 60 60Elongation at rupture, min, % oforiginal60 60 601Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any
14、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, are entirely their own responsibility.This standard is subject to revis
15、ion 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 c
16、omments 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 copyrig
17、hted 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-mail); or through the ASTM website(www.astm.org).TABLE 2 Sunlight and Weather Resistance Requirementsmin,% Original ValueAfter 720 h in a dual carbon-arc apparatus:Tensile Strength 80Elongation 80D4313032
