1、Designation: D4313 17Standard 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. Scope*1.1 This specification covers crosslinked chlorinated poly-ethylene (
3、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 less than-25C.1.3 The values stated in inch-pound u
4、nits 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.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-izatio
5、n established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D470 Test Methods for Crosslinked Insulations and Jacket
6、sfor Wire and CableD1499 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 us
7、ed 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 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 ph
8、ysical properties specified in Table 1.4.2 Tensile Strength and Percent Elongation at Rupture:4.2.1 The test is conducted in accordance with Standard TestMethods D470. The requirements for tensile strength andelongation are given in Table 1 of this Specification.4.3 Tensile Strength and Percent Elon
9、gation at RuptureAfter Oil Immersion:4.3.1 Fluid as specified in the product Standard shall beused.4.3.2 The test is conducted in accordance with Test MethodsD470. The requirements for tensile strength and elongation aregiven in Table 1 of this Specification.5. Sunlight and Weather Resistance Requir
10、ements5.1 Test the jacket in accordance with Test Methods D470.If sunlight and weather resistance are required of the cross-linked jackets, the jackets shall conform to the requirementsspecified in Table 2.6. Sampling6.1 Sample the jacket in accordance with Test MethodsD470.7. Test Methods7.1 Test t
11、he jacket in accordance with Test Methods D470.If the sunlight and weather resistance test is required, performit in accordance with Practice D1499 and Practice G153.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct
12、 responsibility ofSubcommittee D09.07 on Electrical Insulating Materials.Current edition approved Nov. 1, 2017. Published November 2017. Originallyapproved in 1987. Last previous edition approved in 2012 as D4313 12. DOI:10.1520/D4313-17.2For referenced ASTM standards, visit the ASTM website, www.as
13、tm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Bo
14、x C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by t
15、he World Trade Organization Technical Barriers to Trade (TBT) Committee.18. Keywords8.1 chlorinated polyethylene; crosslinked; oil immersion;sunlight resistance; tear; tensile strength; tensile stress; tensiontest; weather resistanceSUMMARY OF CHANGESCommittee D09 has identified the location of sele
16、cted changes to this standard since the last issue(D4313 12) that may impact the use of this standard. (Approved Nov. 1, 2017.)(1) Added new Subsections 4.2 4.3. (2) Revised 1.2, 5.1, and Table 1.ASTM International takes no position respecting the validity of any patent rights asserted in connection
17、 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 at any time by the responsible t
18、echnical 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 comments will receive careful conside
19、ration 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 copyrighted by ASTM International, 100 Barr
20、 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
21、(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 JacketGeneral-purpose Heavy-duty Extra-heavy-dutyPhysical Requirements (Original):Tensil
22、e 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, % 200 300 300Physical Requirements After aging in an air oven at 121 1C for 168 h:Tensile strength, min, % of original 75 85 70Elongati
23、on at rupture, min, % of original 50 55 55Physical Requirements After oil immersion at 121C for18 h:Tensile strength, min, % of original 60 60 60Elongation at rupture, min, % of original 60 60 60TABLE 2 Sunlight and Weather Resistance Requirementsmin,% Original ValueAfter 720 h in a dual carbon-arc apparatus:Tensile Strength 80Elongation 80D4313 172
