1、Designation:D658517(Reapproved 2022)Standard Specification forUnsintered Polytetrafluoroethylene(PTFE)Extruded Film orTape1This standard is issued under the fixed designation D6585;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the
2、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 unsintered extruded films ortapesmanufacturedfromvirgin,unpigmentedpolytetrafluoroethylen
3、e,in nominal thickness from 0.025 to0.51 mm(0.001 to 0.020 in.),which are 99%PTFE incomposition.NOTE1For unsintered pigmented products,refer to SpecificationD7193.1.1.1 The use of recycled PTFE for production of unsinteredextruded films or tapes has not been identified at this time.When commercial u
4、sable processes and materials areavailable,this specification will be revised to include recycledmaterials.1.2 The values stated in SI units are detailed in IEEE/ASTMSI-10 are to be regarded as the standard.The values given inparentheses are for information only.1.3 The following precautionary state
5、ment pertains only tothe test method portion,Section 8 of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and d
6、etermine the applicability ofregulatory limitations prior to use.NOTE2AlthoughthisspecificationandISO 13000-1andISO 13000-2 differ in approach or detail,data obtained relating to specificproperties,using either are technically equivalent.1.4 This international standard was developed in accor-dance w
7、ith 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:2
8、D149 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 InsulationD257 Test Methods for DC Resistance or Con
9、ductance ofInsulating MaterialsD618 Practice for Conditioning Plastics for TestingD882 Test Method for Tensile Properties of Thin PlasticSheetingD883 Terminology Relating to PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1711 Terminology Relating to Electrical InsulationD3892 P
10、ractice for Packaging/Packing of PlasticsD6040 Guide to Standard Test Methods for UnsinteredPolytetrafluoroethylene(PTFE)Extruded Film or TapeD7193 Specification for Unsintered Pigmented Polytetra-fluoroethylene(PTFE)Extruded Film or TapeE29 Practice for Using Significant Digits in Test Data toDeter
11、mine Conformance with SpecificationsIEEE/ASTM SI-10 Standard for Use of the InternationalSystem of Units(SI):The Modern Metric System2.2 ISO Standard:3ISO 13000-1 PlasticsPolytetrafluoroethylene(PTFE)Semi-Finished ProductsPart 1:Requirements and Des-ignationISO 13000-2 PlasticsPolytetrafluoroethylen
12、e(PTFE)Semi-Finished ProductsPart 2:Preparation of TestSpecimens and Determination of Properties Designation1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved May 1,
13、2022.Published May 2022.Originallyapproved in 2000.Last previous edition approved in 2017 as D6585-17.DOI:10.1520/D6585-17R22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refe
14、r to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard wa
15、s 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.12.3 GSA Standar
16、d:A-A-58092 Tape,Anti-seize,Polytetrafluorethylene4NOTE3Supersedes MIL-T-27730A(ASG)7 January 1997.3.Terminology3.1 Definitions:Definitions are in accordance with Termi-nology D1711,Terminology D883,and Test Method D257 andabbreviated terms are in accordance with Terminology D1600,unless otherwise specified.3.1.1 lot,none production run or a uniform blend of twoor more production runs.3.2 Definitions of Terms Specific to This Standard:3.2.1 film,nfull width material received as finished film.3.2
