1、Designation: D4313 12Standard 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 oforigina
2、l 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 This specification covers crosslinked chlorinated poly-ethylene (C
3、M) 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 The values stated in inch-pound uni
4、ts are to be regardedas 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
5、Practice for Filtered 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
6、 refer to Terminology 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 specifi
7、ed in Table 1.5. 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 MethodsD470.7. Test Methods7.1 Test
8、 the jacket in accordance with 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; ten
9、siontest; 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 Materials.Current edition approved Jan. 1, 2012. Published February 2012. O
10、riginallyapproved 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 information, refer to the stand
11、ards 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 patent rights asserted in connection with any item mentionedin this stan
12、dard. 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 at any time by the responsible technical committee and must be revie
13、wed 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 comments will receive careful consideration at a meeting of theresponsibl
14、e 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 copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Con
15、shohocken, 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 to
16、 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)
17、1800 (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 1C for 168 h:Tensile strength, min, % of original 75 85 70Elongation at rupture, min
18、, % oforiginal50 55 55Physical Requirements After oilimmersion at 121C for 18 h:Tensile strength, min, % of original 60 60 60Elongation at rupture, min, % oforiginal60 60 60TABLE 2 Sunlight and Weather Resistance Requirementsmin,% Original ValueAfter 720 h in a dual carbon-arc apparatus:Tensile Strength 80Elongation 80D4313 122
