1、Designation: D6585 11D6585 17Standard 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 ye
2、ar 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 unsintered extruded films or tapes manufactured from virgin, unpigmented polytetraflu
3、oroethylene,in nominal thickness from 0.025 to 0.51 mm (0.001 to 0.020 in.), which are 99 %99 % PTFE in composition.NOTE 1For unsintered pigmented products, refer to Specification D7193.1.1.1 The use of recycled PTFE for production of unsintered extruded films or tapes has not been identified at thi
4、s time. Whencommercial usable processes and materials are available, this specification will be revised to include recycled materials.1.2 The values stated in SI units are detailed in IEEE/ASTM SI-10 are to be regarded as the standard. The values given inparentheses are for information only.1.3 The
5、following precautionary statement pertains only to the test method portion, Section 8 of this specification:This standarddoes not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and h
6、ealth practices and determine the applicability of regulatory limitations prior to use.NOTE 2Although this specification and ISO/DIS 13000-1ISO 13000-1 and ISO/DIS 13000-2ISO 13000-2 differ in approach or detail, data obtainedrelating to specific properties, using either are technically equivalent.1
7、.4 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Tra
8、de (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials atCommercial Power FrequenciesD150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid
9、 Electrical InsulationD257 Test Methods for DC Resistance or Conductance of Insulating MaterialsD618 Practice for Conditioning Plastics for TestingD882 Test Method for Tensile Properties of Thin Plastic SheetingD883 Terminology Relating to PlasticsD1600 Terminology for Abbreviated Terms Relating to
10、PlasticsD1711 Terminology Relating to Electrical InsulationD3892 Practice for Packaging/Packing of PlasticsD6040 Guide to Standard Test Methods for Unsintered Polytetrafluoroethylene (PTFE) Extruded Film or TapeD7193 Specification for Unsintered Pigmented Polytetrafluoroethylene (PTFE) Extruded Film
11、 or TapeE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsIEEE/ASTM SI-10 Standard for Use of the International System of Units (SI): The Modern Metric System2.2 ISO Standard:3ISO 13000-1 PlasticsPolytetrafluoroethylene (PTFE) Semi-Finished ProductsPa
12、rt 1: Requirements and Designation1 This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materials.Current edition approved Feb. 1, 2011Sept. 1, 2017. Published February 2011September 2017. Originally
13、approved in 2000. Last previous edition approved in 20052011as D6585 - 05.D6585 - 11. DOI: 10.1520/D6585-11.10.1520/D6585-17.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, r
14、efer to the standards Document Summary page on the ASTM website.3 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what change
15、s have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the officia
16、l document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ISO 13000-2 PlasticsPolytetrafluoroethylene (PTFE) Semi-Finished ProductsPart 2: Preparation of Test Specimens
17、 andDetermination of Properties Designation2.3 GSA Standard:A-A-58092 Tape, Anti-seize, Polytetrafluorethylene4NOTE 3Supersedes MIL-T-27730A (ASG) 7 January 1997.3. Terminology3.1 Definitions: Definitions are in accordance with Terminology D1711, Terminology D883, and Test Method D257 andabbreviated
18、 terms are in accordance with Terminology D1600, unless otherwise specified.3.1.1 lot, none production run or a uniform blend of two or more production runs.3.2 Definitions of Terms Specific to This Standard:3.2.1 film, nfull width material received as finished film.3.2.2 tape, nmaterial that has be
19、en slit from the finished film.3.2.3 tensile strength at yield, nfrom Test Methods D882.4. Classification4.1 This specification covers three types of unsintered extruded PTFE tapes:4.1.1 Type IThread seal tape (T.S.T.) with an apparent density of 0.50 to 1.60 g/cm3.4.1.2 Type IILow density tape with
20、 an apparent density of 0.60 to 0.80 g/cm3.4.1.3 Type IIIWire and cable tape with an apparent density of 1.50 to 1.70 g/cm3.4.2 Grades of tape are identified in Tables 1-3.NOTE 4Other products that do not fall into these density ranges are available. The values vary on these products and must be agr
21、eed to betweensupplier and purchaser.4.3 A line callout system is used to specify materials in this specification. The system uses pre-defined cells to refer to specificaspects of this specification, as illustrated below:Standard NumberBlockType SpecificationGradeClass Special NotesExample:ASTM D658
22、5III 2 mil For this example, the line call-out would be: ASTM D6585, III, 2 mil, specifies an unsintered wire and cable tape, 2 mil thick,and having all of the properties listed for that type and grade in the appropriate specified properties tables. A comma is used asthe separator between the standa
23、rd number and the type. Separators are not needed between the type and grade because they are,in turn, Roman numerals and Arabic digits as provided in Section B8 of the Form and Style for ASTM Standards. Provision for“Special Notes” is included so that other information is provided when required. Th
24、is example relates to wire and cable tape withno special or added requirements. When special notes are used, they shall be preceded by a comma.5. Performance Requirements5.1 Basic requirements from the property tables are always in effect unless superseded by specific suffix requirements, whichalway
25、s take precedence.5.2 The materials shall conform to the requirements in Tables 1-4 and suffix requirements as they apply.5.3 The dielectric breakdown strength of unsintered samples shall be tested in accordance with Test Method D149. The requiredvalues are to be agreed upon between producer and con
26、sumer.4 A-A-58092 can be obtained from General ServicesAdministration, Engineering and Commodity Management Division (9FTE-10), 400 15th St. SW,Auburn, WA98001.TABLE 1 Type I Thread Seal Tape with an Apparent Density of 0.50 to 1.60 g/cm3NOTE 1Where no property is listed there is no requirement.Grad
27、e ApparentDensity, g/cm3Thickness Tensile Strength atYieldElongation at MaximumStrengthmin max mm tolerance in. tolerance MPa psi min, %Economy 0.50 0.90 0.076 . . . 0.0030 . . . . . . . . . . . .Standard 0.80 1.10 0.076 0.0127 0.0030 0.0005 . . . . . . 50Mil Spec., 1.20 0.088 +0.0254, 0.0035 +0.001
28、0, . . . . . . 40A-A-58092 0.0381 0.0015Premium 1.20 1.60 0.076 0.0127 0.0030 0.0005 11.72 1700 75D6585 1725.4 If invoked by contract, or to gain understanding of the electrical performance consistency of a particular material dielectricconstant and volume resistivity shall be tested in accordance w
29、ith Test Methods D150 and D257, as seen in the guidelines foundin Guide D6040.5.5 The width tolerance of slit tape shall be in accordance with Table 4 unless otherwise specified by contract.6. Sampling6.1 Sampling shall be in accordance with an adequate statistical sampling procedure.7. Conditioning
30、7.1 For those tests where conditioning is required, condition the test specimens in accordance with Procedure A of PracticeD618, except the time shall be for a period of at least 4 h prior to test instead of the 40 h required by this method. If the test materialhas been exposed to temperatures below
31、 20C (68F) within 24 h period prior to test, the conditioning shall be at least 24 h.7.2 Conduct tests at the standard laboratory temperature of 23 6 2C (73.4F 6 3F). The maintenance of constant humidityis not necessary. In reference cases, the standard atmosphere and 50 6 5 % relative humidity shal
32、l apply.8. Test Methods8.1 The properties enumerated in this specification shall be determined in accordance with test methods referenced in Section2 of Guide D6040.8.1.1 The number of samples shall be consistent with the requirements of Section 6.TABLE 2 Type II Low Density Tape with an Apparent De
33、nsity of 0.60 to 0.80 g/cm3Grade ApparentDensity, g/cm3Thickness Tensile Strength atYieldElongation at MaximumStrengthmin max mm tolerance in. tolerance MPa psi min, %4 mil 0.60 0.80 0.102 0.0076 0.004 0.0003 13.10 1900 405 mil 0.60 0.80 0.127 0.0102 0.005 0.0004 13.10 1900 4010 mil 0.60 0.80 0.254
34、0.0127 0.010 0.0005 8.27 1200 40TABLE 3 Type III Wire and Cable Tape with an Apparent Density of 1.50 to 1.70 g/cm3NOTE 1In cases where actual product thickness is between thickness values called out in this table, the actual thickness should be rounded to thenearest defined increment using guidelin
35、es found in Practice E29, and the corresponding requirements applied.Grade ApparentDensity, g/cm3Thickness Tensile Strength atYieldElongation at MaximumStrengthmin max mm tolerance in. tolerance MPa psi min, %2 mil 1.50 1.70 0.050 0.0076 0.002 0.0003 12.41 1800 303 mil 1.50 1.70 0.076 0.0076 0.003 0
36、.0003 12.41 1800 304 mil 1.50 1.70 0.102 0.0076 0.004 0.0003 10.34 1500 305 mil 1.50 1.70 0.127 0.0076 0.005 0.0003 10.34 1500 306 mil 1.50 1.70 0.152 0.0102 0.006 0.0004 7.58 1100 307 mil 1.50 1.70 0.178 0.0102 0.007 0.0004 6.89 1000 308 mil 1.50 1.70 0.203 0.0102 0.008 0.0004 6.55 950 309 mil 1.50
37、 1.70 0.229 0.0102 0.009 0.0004 6.21 900 3010 mil 1.50 1.70 0.254 0.0127 0.010 0.0005 5.52 800 5011 mil 1.50 1.70 0.279 0.0152 0.011 0.0006 4.83 700 5012 mil 1.50 1.70 0.305 0.0229 0.012 0.0009 4.14 600 5013 mil 1.50 1.70 0.330 0.0279 0.013 0.0011 3.79 550 5014 mil 1.50 1.70 0.356 0.0330 0.014 0.001
38、3 3.10 450 5015 mil 1.50 1.70 0.381 0.0381 0.015 0.0015 2.76 400 5016 mil 1.50 1.70 0.406 0.0406 0.016 0.0016 2.76 400 5017 mil 1.50 1.70 0.432 0.0432 0.017 0.0017 2.76 400 5018 mil 1.50 1.70 0.457 0.0457 0.018 0.0018 2.76 400 5019 mil 1.50 1.70 0.483 0.0483 0.019 0.0019 2.76 400 5020 mil 1.50 1.70
39、0.508 0.0508 0.020 0.0020 2.76 400 50TABLE 4 Width TolerancesWidth (mm) Tolerance (mm) Width (in.) Tolerance (in.)Below 6.35 0.38 Below 14 0.015Between 6.35 and 25.4 0.51 Between 14 and 1 0.020Between 25.4 and 50.8 0.64 Between 1 and 2 0.025Between 50.8 and 76.2 0.89 Between 2 and 3 0.035Between 76.
40、2 and 152.4 1.91 Between 3 and 6 0.075Between 152.4 and 304.8 3.18 Between 6 and 12 0.125Greater than 304.8 6.35 Greater than 12 0.250D6585 1738.1.2 One set of test specimens shall be considered sufficient for testing each lot. The average result of the specimens shallconform to the requirements of
41、this specification.9. Inspection and Certification9.1 Inspection and certification of the material supplied with reference to a specification based on this classification system shallbe for conformance to the requirements specified herein.9.2 Lot-acceptance inspection shall be the basis on which acc
42、eptance or rejection of the lot is made. The lot-acceptanceinspection shall be agreed upon between the purchaser and the supplier as part of the purchase contract.9.3 Periodic check inspection with reference to a specification based upon this classification system shall consist of the tests forall r
43、equirements of the material under the specification. Inspection frequency shall be adequate to ensure the material is certifiablein accordance with 9.4.9.4 Certification shall be that the material was manufactured by a process in statistical control, sampled, tested, and inspectedin accordance with
44、this classification system, and that the average values for the lot meet the requirements of the specification.9.5 Areport of test results shall be furnished when requested. The report shall consist of results of the lot-acceptance inspectionfor the shipment, or the results of the most recent period
45、ic-check inspection, or both.10. Packaging and Package Marking10.1 PackagingThe materials shall be packaged in standard commercial containers constructed so as to ensure acceptance bycommon carrier unless otherwise specified in the contract or order.10.2 Package MarkingShipping containers shall be m
46、arked with the name of the material, type, thickness, and quantitycontained therein. Each roll or package of sheets shall be marked to designate type, lot number and manufactures name.10.3 All packaging and marking provision of Practice D3892 shall apply to this specification.11. Keywords11.1 appare
47、nt density; elongation; extruded; film; fluorocarbon film and tape; PTFE; tape; tensile; thread seal tape; unsinteredSUMMARY OF CHANGESCommittee D20 has identified the location of selected changes to this standard since the last issue,D6585 - 05D6585 - 11, that may impact the use of this standard. (
48、February(September 1, 2011)2017)(1) RevisedUpdated Note 2permissive text throughout(2) ChangedSection 1.1composition percentage of virgin material from 97 % to 99 % in section 1.1 and added note directing theuser to the appropriate standard for pigmented versions of this material.: Changed from 99 %
49、 to 99 %.(3) Updated reference standards section 2.1 and 2.3.Corrected note numbering throughout.(4) Changed test method Removed the word “density” from Note 4D638 to D882 in section 3.2.3 to harmonize with D6040(5) Revised note 3 in section 4 regarding alternate, user-specific, required densities.(6) Added section 5.3 to address dielectric breakdown requirements.(7) Added section 5.4 to address dielectric constant and volume resistivity requirements should they exist.(8) Added section
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