ASTM D6040-12
(Guide)Standard Guide to Standard Test Methods for Unsintered Polytetrafluoroethylene (PTFE) Extruded Film or Tape
Standard Guide to Standard Test Methods for Unsintered Polytetrafluoroethylene (PTFE) Extruded Film or Tape
ABSTRACT
This guide identifies the standard test methods to use in evaluating unsintered extruded films or tapes manufactured from polytetrafluoroethylene (PTFE). The test methods covered here shall be capable of investigating the following material properties: width; thickness; tensile properties (tensile strength and elongation); specificat gravity (relative density); residual extrusion aids or other volatile components; dielectric constant; volume resistivity; dielectric breakdown voltage; and unit weight.
SCOPE
1.1 This guide identifies test methods to use in evaluating unsintered extruded films or tapes manufactured from polytetrafluoroethylene.
1.2 The values stated in SI units as detailed in IEEE/ASTM SI 10, are to be regarded as standard.
1.3 This standard does not purport to address all of the safety concerns, if any, 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—This test method is equivalent to ISO 12086-2:2006 in the measurement of tensile properties, specific gravity, and dielectric constant. These are in ISO 12086-2:2006, sections 8.2.2, 10.6 and 8.1.1. It is not equivalent to ISO 12086-2:2006 in any other measurement or section..
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Designation:D6040 −12
Standard Guide to
Standard Test Methods for Unsintered
1
Polytetrafluoroethylene (PTFE) Extruded Film or Tape
This standard is issued under the fixed designation D6040; 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* D792 Test Methods for Density and Specific Gravity (Rela-
tive Density) of Plastics by Displacement
1.1 This guide identifies test methods to use in evaluating
D882 Test Method for Tensile Properties of Thin Plastic
unsintered extruded films or tapes manufactured from polytet-
Sheeting
rafluoroethylene.
D883 Terminology Relating to Plastics
1.2 The values stated in SI units as detailed in IEEE/ASTM
D1711 Terminology Relating to Electrical Insulation
SI 10, are to be regarded as standard.
D3776 Test Methods for Mass Per Unit Area (Weight) of
1.3 This standard does not purport to address all of the Fabric
safety concerns, if any, associated with its use. It is the
F335 Terminology Relating to Electrostatic Imaging (With-
3
responsibility of the user of this standard to establish appro- drawn 2017)
priate safety and health practices and determine the applica-
F412 Terminology Relating to Plastic Piping Systems
bility of regulatory limitations prior to use. IEEE/ASTM SI 10 Standard for Use of the International
System of Units (SI): The Modern Metric System
NOTE 1—This test method is equivalent to ISO 12086-2:2006 in the
2.2 ISO Standard:
measurementoftensileproperties,specificgravity,anddielectricconstant.
These are in ISO 12086-2:2006, sections 8.2.2, 10.6 and 8.1.1. It is not ISO 12086-2:2006 Plastics—Fluoropolymer Dispersions
equivalent to ISO 12086-2:2006 in any other measurement or section.
and Moulding and Extrusion Materials—Part 2: Prepara-
4
1.4 This international standard was developed in accor- tion of Test Specimens and Determination of Properties
dance with internationally recognized principles on standard-
3. Terminology
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- 3.1 Definitions:
mendations issued by the World Trade Organization Technical 3.1.1 Definitions are in accordance withTest Methods D257
Barriers to Trade (TBT) Committee.
and Terminologies D883 and D1711, unless otherwise speci-
fied.
2. Referenced Documents
3.1.2 apparent density, n—the weight per unit volume of a
2
material including voids inherent in the material as tested, see
2.1 ASTM Standards:
D149 Test Method for Dielectric Breakdown Voltage and Terminology F412.
Dielectric Strength of Solid Electrical Insulating Materials
3.1.3 lot, n—one production run, or uniform blend of two or
at Commercial Power Frequencies
more production runs.
D150 Test Methods forAC Loss Characteristics and Permit-
3.2 Definitions of Terms Specific to This Standard:
tivity (Dielectric Constant) of Solid Electrical Insulation
3.2.1 film, n—full-width material received as finished film.
D257 Test Methods for DC Resistance or Conductance of
3.2.2 tape, n—material that has been slit from the finished
Insulating Materials
film.
D374 Test Methods for Thickness of Solid Electrical Insu-
lation (Metric) D0374_D0374M
3.2.3 volume resistivity, n—the volume resistance (in ohm-
centimetres) between opposite faces of a material where the
values are obtained by the measure of resistance to electrical
1
This guide is under the jurisdiction of ASTM Committee D20 on Plastics and
current between electrodes placed in contact with the opposing
is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materials.
Current edition approved Aug. 1, 2012. Published September 2012. Originally surfaces of the sample (see Terminology F335).
approved in 1996. Last previous edition approved in 2006 as D6040 - 06. DOI:
10.1520/D6040-12.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or The last approved version of this historical standard is referenced on
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.astm.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036, http://www.ansi.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D6040−12
4. Test Specimens 9. Specific Gravity (Relative Density)
4.1 The number of test specimens shall be in accordance 9.1 Determine speci
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it 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 version
of the standard as published by ASTM is to be considered the official document.
Designation: D6040 − 06 D6040 − 12
Standard Guide to
Standard Test Methods for Unsintered
1
Polytetrafluoroethylene (PTFE) Extruded Film or Tape
This standard is issued under the fixed designation D6040; 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*
1.1 This guide identifies test methods to use in evaluating unsintered extruded films or tapes manufactured from polytetra-
fluoroethylene.
1.2 The values stated in SI units as detailed in IEEE/ASTM SI 10, are to be regarded as standard.
1.3 This standard does not purport to address all of the safety concerns, if any, 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—This test method is equivalent to ISO 12086-2:2006 in the measurement of tensile properties, specific gravity, and dielectric constant. These
are in ISO 12086-2:2006, sections 8.2.2, 10.6 and 8.1.1. It is not equivalent to ISO 12086-2:2006 in any other measurement or section.
2. Referenced Documents
2
2.1 ASTM Standards:
D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at
Commercial Power Frequencies
D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D257 Test Methods for DC Resistance or Conductance of Insulating Materials
D374 Test Methods for Thickness of Solid Electrical Insulation
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D882 Test Method for Tensile Properties of Thin Plastic Sheeting
D883 Terminology Relating to Plastics
D1711 Terminology Relating to Electrical Insulation
3
D2288 Test Method for Weight Loss of Plasticizers on Heating (Withdrawn 2010)
D3776 Test Methods for Mass Per Unit Area (Weight) of Fabric
F335 Terminology Relating to Electrostatic Imaging
F412 Terminology Relating to Plastic Piping Systems
IEEE/ASTM SI 10 Standard for Use of the International System of Units (SI): The Modern Metric System
2.2 ISO Standard:
ISO 12086-2:2006 Plastics—Fluoropolymer Dispersions and Moulding and Extrusion Materials—Part 2: Preparation of Test
3
Specimens and Determination of Properties
3. Terminology
3.1 Definitions:
3.1.1 Definitions are in accordance with Test Methods D257 and Terminologies D883 and D1711, unless otherwise specified.
3.1.2 apparent density, n—the weight per unit volume of a material including voids inherent in the material as tested, see
Terminology F412.
3.1.3 lot, n—one production run, or uniform blend of two or more production runs.
1
This guide 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 April 1, 2006Aug. 1, 2012. Published April 2006September 2012. Originally approved in 1996. Last previous edition approved in 20012006 as
D6040 - 01.D6040 - 06. DOI: 10.1520/D6040-06.10.1520/D6040-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.10036, http://www.ansi.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D6040 − 12
3.2 Definitions of Terms Specific to This Standard:
3.2.1 film, n—full-width material received as finished film.
3.2.2 tape, n—material that has been slit from the finished film.
3.2.3 volume resistivity, n—the volume resistance (in ohm-centimetres) between opposite faces of a material where the values
are obtained by the measure of resistance to electrical current between electrodes placed in contact with the opposing surfaces of
the sample (see Terminology F335).
4. Test Specimens
4.1 The number of test specimens shall be in accordance with the requirements of the individual test methods.
5. Conditioning
5.1 Condition th
...
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