ASTM D7193-05
(Specification)Standard Specification for Unsintered Pigmented Polytetrafluoroethylene (PTFE) Extruded Film or Tape
Standard Specification for Unsintered Pigmented Polytetrafluoroethylene (PTFE) Extruded Film or Tape
SCOPE
1.1 This specification covers unsintered, pigmented, extruded films or tapes manufactured from polytetrafluoroethylene, in nominal thicknesses from 0.025 mm (0.001 in.) to 0.51 mm (0.020 in.), that are >97 % virgin PTFE in composition prior to introducing pigments.
1.1.1 The use of recycled PTFE for production of unsintered extruded films or tapes has not been identified at this time. When commercial 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 in parentheses are for information only.
1.3 This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Note 1—Although this specification and ISO/DIS 13000-1 (1997) and ISO/DIS 13000-2 (1997) differ in approach or detail, data obtained relating to specific properties, using either are technically equivalent.
Note 2—This specification is intended to be a complement to Specification D 6585, as the materials covered herein vary significantly enough due to their additives to warrant a stand-alone set of requirements.
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D7193 – 05
Standard Specification for
Unsintered Pigmented Polytetrafluoroethylene (PTFE)
Extruded Film or Tape
This standard is issued under the fixed designation D7193; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D1711 Terminology Relating to Electrical Insulation
D3892 Practice for Packaging/Packing of Plastics
1.1 This specification covers unsintered, pigmented, ex-
D6040 Guide to Test Methods for Unsintered Polytetrafluo-
truded films or tapes manufactured from polytetrafluoroethyl-
roethylene (PTFE) Extruded Film or Tape
ene, in nominal thicknesses from 0.025 mm (0.001 in.) to 0.51
D6585 Specification for Unsintered Polytetrafluoroethylene
mm (0.020 in.), that are >97 % virgin PTFE in composition
(PTFE) Extruded Film or Tape
prior to introducing pigments.
E29 Practice for Using Significant Digits in Test Data to
1.1.1 TheuseofrecycledPTFEforproductionofunsintered
Determine Conformance with Specifications
extruded films or tapes has not been identified at this time.
IEEE/ASTM SI-10 Standard for Use of the International
When commercial usable processes and materials are avail-
System of Units (SI): The Modern Metric System
able, this specification will be revised to include recycled
2.2 ISO Standards:
materials.
ISO/DIS 13000-1 Plastics—Polytetrafluoroethylene(PTFE)
1.2 ThevaluesstatedinSIunitsaredetailedinIEEE/ASTM
Semi-Finished Products—Part 1: Requirements and Des-
SI-10 are to be regarded as the standard. The values given in
ignation
parentheses are for information only.
ISO/DIS 13000-2 Plastics—Polytetrafluoroethylene(PTFE)
1.3 This standard does not purport to address all of the
Semi-Finished Products—Part 2: Preparation of Test
safety problems associated with its use. It is the responsibility
Specimens and Determination of Properties
of the user of this standard to establish appropriate safety and
2.3 GSA Standard:
health practices and determine the applicability of regulatory
A-A-58092 Tape, Anti-Seize Polytetrafluoroethylene
limitations prior to use.
NOTE 1—Although this specification and ISO/DIS 13000-1 (1997) and 3. Terminology
ISO/DIS 13000-2 (1997) differ in approach or detail, data obtained
3.1 Definition—Definitions are in accordance with Termi-
relating to specific properties, using either are technically equivalent.
nologies D883, D1711, and Test Methods D257; and abbrevi-
NOTE 2—This specification is intended to be a complement to Speci-
ated terms are in accordance with Terminology D1600, unless
fication D6585, as the materials covered herein vary significantly enough
otherwise specified.
due to their additives to warrant a stand-alone set of requirements.
3.2 lot, n—one production run or a uniform blend of two or
2. Referenced Documents
more production runs
2.1 ASTM Standards: 3.3 Definitions of Terms Specific to This Standard:
D257 Test Methods for DC Resistance or Conductance of 3.3.1 film, n—full width material received as finished film.
Insulating Materials 3.3.2 tape, n—material that has been slit from the finished
D618 Practice for Conditioning Plastics for Testing film.
D638 Test Method for Tensile Properties of Plastics 3.3.3 tensile strength at yield, n—from Test Methods D638,
D883 Terminology Relating to Plastics Figure A2.3.
D1600 Terminology for Abbreviated Terms Relating to 3.3.4 pigment—liquid or dry matter used as an additive, to
Plastics alter the color of finished film or tape.
4. Classification
This specification is under the jurisdiction of ASTM Committee D20 on
4.1 This specification covers three types of unsintered,
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic
Materials. pigmented, extruded PTFE tapes:
Current edition approved July 1, 2005. Published July 2005. DOI: 10.1520/
D7193-05.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 4th Floor, New York, NY 10036.
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D7193 – 05
4.1.1 Type I—Thread Seal Tape (TST) with an apparent to test instead of the 40 h required by this method. If the test
density of 0.50-1.60 g/cm . material has been exposed to temperatures below 20°C (68°F)
4.1.2 Type II—Low Density Tape with an apparent density within a 24 h period prior to test, the conditioning shall be at
of 0.60-0.80 g/cm . least 24 h.
7.2 Conduct tests at the standard laboratory temperature of
NOTE 3—Other low apparent density products that do not fall into this
23 6 2°C (73.4 6 3°F).The maintenance of constant humidity
densityrangeareavailable.Thevaluesvaryontheseproductsandmustbe
is not necessary. In reference cases, the standard atmosphere
agreed to between supplier and purchaser.
and 50 6 5 % relative humidity shall apply.
4.1.3 Type III—Wire and Cable Tape with an apparent
density of 1.40-1.65 g/cm .
8. Test Methods
4.2 Grades of tape are identified in Tables 1-3.
4.3 Aline callout system is used to specify materials in this 8.1 The properties enumerated in this specification shall be
specification. The system uses pre-defined cells to refer to determined in accordance with test methods referenced in
specific aspects of this specification, as illustrated below: Section 2. (For example, see Test Methods D6040.)
Standard Type Specification Class Special
8.1.1 The number of samples shall be consistent with the
Number Grade Notes
requirements of Section 6.
Block
8.1.2 Onesetoftestspecimensshallbeconsideredsufficient
ASTM III 2 mil --- Color to be
D7193 Royal Blue
for testing each lot. The average result of the specimens shall
conform to the requirements of this specification.
For this example, the line call-out would be:ASTM D7193,
III, 2 MIL, Color to be Royal Blue, that would specify an
9. Inspection and Certification
unsintered wire and cable tape, 2 mil thick, and would have all
of the properties listed for that type and grade in the appropri-
9.1 Inspectionandcertificationofthematerialsuppliedwith
ate specified properties, tables, or both, in the specification
reference to a specification based on this classification system
identified. A comma is used as the separator between the
shall be for conf
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