1、Designation:D431312Standard 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 immediately following the designation indicates the year oforiginal adopt
2、ion 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 crosslinked chlorinated poly-ethylene(CM)compounds sui
3、table 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 The values stated in inch-pound units are to be rega
4、rdedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.2.Referenced Documents2.1 ASTM Standards:2D470 Test Methods for Crosslinked Insulations and Jacketsfor Wire and CableD1499 Practice for Filter
5、ed Open-Flame Carbon-Arc Expo-sures of PlasticsD1711 Terminology Relating to Electrical InsulationG153 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
6、 D1711.3.2 Definitions of Terms 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.Sunlight
7、 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 MethodsD470.7.Test Methods7.1 Test the jacket in accordance wi
8、th Test Methods D470.If the sunlight and weather resistance test is required,performit in accordance with Practice D1499 and Practice G153.8.Keywords8.1 chlorinated polyethylene;crosslinked;oil immersion;sunlight resistance;tear;tensile strength;tensile stress;tensiontest;weather resistance1This spe
9、cification 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.Current edition approved
10、Jan.1,2012.Published February 2012.Originallyapproved in 1987.Last previous edition approved in 2010 as D4313 03(2010).DOI:10.1520/D4313-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume in
11、formation,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 States1 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any it
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15、700,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).Permission rights t
16、o 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 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,min,psi(MPa).500(3.4)700(4.8)Elongation at rupture,min,%200300300Tension set,max,%353030Physical Requirements Afteraging in an air ovenat 121 1C for 168 h:Tensi
