温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,汇文网负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
网站客服:3074922707
TM_D_8318_
_20
Designation:D831820Standard Specification forLow-Density Poly(Vinylidene Fluoride)Based MaterialIntended for Use in Wire and Cable Jacketing1This standard is issued under the fixed designation D8318;the number 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 This specification covers a low-density material basedon poly(vinylidene fluoride)(PVDF),intended for use asjacketing material for wire and cable.1.1.1 The material has a closed cell foam structure.1.2 The jacketing material covered in this specification isintended for use in wires and cables in power-limitedapplications,such as optical fiber cables,communicationscables,coaxial cables,or power limited fire alarm cables.Thematerial is not intended for use in power cables.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses are mathematicalconversions to inch-pound units that are provided for informa-tion only and are not considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization 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:2D149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD150 Test Methods for AC Loss Characteristics and Permit-tivity(Dielectric Constant)of Solid Electrical InsulationD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD1711 Terminology Relating to Electrical InsulationD2633 Test Methods for Thermoplastic Insulations andJackets for Wire and CableD3222 Specification for Unmodified Poly(Vinylidene Fluo-ride)(PVDF)Molding Extrusion and Coating MaterialsD3418 Test Method for Transition Temperatures and En-thalpies of Fusion and Crystallization of Polymers byDifferential Scanning CalorimetryD3801 Test Method for Measuring the Comparative BurningCharacteristics of Solid Plastics in a Vertical PositionD5575 Classification System for Copolymers of VinylideneFluoride(VDF)with Other Fluorinated MonomersE162 Test Method for Surface Flammability of MaterialsUsing a Radiant Heat Energy SourceE176 Terminology of Fire StandardsE662 Test Method for Specific Optical Density of SmokeGenerated by Solid Materials2.2 UL Standards:3UL 94 Standard for Tests for Flammability of Plastic Mate-rials for Parts in Devices and AppliancesUL 1581 Reference Standard for Electrical Wires,Cablesand Flexible CordsUL 1666 Standard Test for Flame Propagation Height ofElectrical and Optical-Fiber Cable Installed Vertically inShaftsUL 1685 Standard for Safety for Vertical-Tray Fire-Propagation and Smoke-Release Test for Electrical andOptical-Fiber Cables2.3 NFPA Standards:4NFPA 70 National Electrical Code1This 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 Aug.1,2020.Published September 2020.DOI:10.1520/D8318-20.2For 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 standards Document Summary page onthe ASTM website.3Available from Underwriters Laboratories(UL),2600 N.W.Lake Rd.,Camas,WA 98607-8542,http:/.4Available from National Fire Protection Association(NFPA),1 BatterymarchPark,Quincy,MA 02169-7471,http:/www.nfpa.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box 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 the World Trade Organization Technical Barriers to Trade(TBT)Committee.1NFPA 262 Standard Method of Test for Flame Travel andSmoke of Wires and Cables for Use in Air-HandlingSpaces2.4 Canadian Standards Association Standard:5CSA C22.2 No.0.3 Test Methods for Electrical Wi