Standard Specification for Extruded Polytetrafluoroethylene (PTFE) Rod, Heavy Walled Tubing and Basic Shapes

ABSTRACT
This specification covers the testing and requirements of extruded and compression molded polytetrafluoroethylene (PTFE) rods and heavy-walled tubing manufactured from virgin or reprocessed PTFE resin. Covered here are three types of PTFE fluorocarbon materials as follows: Type I (premium), materials having maximum physical and electrical properties to meet rigid requirements; Type II (general purpose), materials having properties required of general electrical, mechanical, and chemical applications; and Type III, materials for noncritical chemical, electrical, and mechanical applications. These types are further subdivided into two grades, and even further into four classes as appropriate. Sampled specimens shall be appropriately tested on the following: workmanship and appearance (color, finish, and internal defects); specific gravity; tensile strength and elongation; dielectric strength; dimensional stability; and melting point.
SCOPE
1.1 This specification covers extruded polytetrafluoroethylene (PTFE) rod, heavy-walled tubing, and basic shapes manufactured from the PTFE resin of Specification D4894 and reprocessed PTFE resin (as defined in Guide D7209).  
1.2 The specification covers all sizes of rod, tubing, and basic shapes with a wall thickness of 1.6 mm (1/16 in.) or greater. These materials must be made wholly from PTFE and produced in accordance with good commercial ram extrusion practices.
Note 1: This specification and ISO/DIS 13000-1 (1997) and ISO/DIS 13000-2 (1997) differ in approach, however, data obtained using either are technically equivalent.
Note 2: For compression molded PTFE materials, see Specification D3294. Material that can be certified to Specification D3294 may be substituted for Specification D1710, however the reverse in not true.  
1.3 The values stated in SI units, as detailed in IEEE/ASTM SI 10 are to be regarded as the standard. The inch-pound units given in parentheses are provided for information only.  
1.4 The following precautionary caveat pertains to the test methods portion, Section 12, only of this specification: 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Published
Publication Date
30-Sep-2021
Technical Committee
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ASTM D1710-15(2021) - Standard Specification for Extruded Polytetrafluoroethylene (PTFE) Rod, Heavy Walled Tubing and Basic Shapes
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D1710 −15 (Reapproved 2021)
Standard Specification for
Extruded Polytetrafluoroethylene (PTFE) Rod, Heavy Walled
1
Tubing and Basic Shapes
This standard is issued under the fixed designation D1710; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This specification covers extruded polytetrafluoroethyl-
D149Test Method for Dielectric Breakdown Voltage and
ene (PTFE) rod, heavy-walled tubing, and basic shapes manu-
DielectricStrengthofSolidElectricalInsulatingMaterials
factured from the PTFE resin of Specification D4894 and
at Commercial Power Frequencies
reprocessed PTFE resin (as defined in Guide D7209).
D374Test Methods for Thickness of Solid Electrical Insu-
1.2 The specification covers all sizes of rod, tubing, and
lation (Metric) D0374_D0374M
1
basic shapes with a wall thickness of 1.6 mm ( ⁄16 in.) or
D618Practice for Conditioning Plastics for Testing
greater. These materials must be made wholly from PTFE and
D792Test Methods for Density and Specific Gravity (Rela-
produced in accordance with good commercial ram extrusion
tive Density) of Plastics by Displacement
practices.
D883Terminology Relating to Plastics
D1600TerminologyforAbbreviatedTermsRelatingtoPlas-
NOTE 1—This specification and ISO/DIS 13000-1 (1997) and ISO/DIS
tics
13000-2(1997)differinapproach,however,dataobtainedusingeitherare
D3892Practice for Packaging/Packing of Plastics
technically equivalent.
D4894 Specification for Polytetrafluoroethylene (PTFE)
NOTE 2—For compression molded PTFE materials, see Specification
D3294. Material that can be certified to Specification D3294 may be Granular Molding and Ram Extrusion Materials
substituted for Specification D1710, however the reverse in not true.
D5740Guide for Writing Material Standards in the Classi-
fication Format
1.3 ThevaluesstatedinSIunits,asdetailedinIEEE/ASTM
D5947Test Methods for Physical Dimensions of Solid
SI 10 are to be regarded as the standard. The inch-pound units
Plastics Specimens
given in parentheses are provided for information only.
D7209Guide for Waste Reduction, Resource Recovery, and
1.4 The following precautionary caveat pertains to the test
UseofRecycledPolymericMaterialsandProducts(With-
3
methods portion, Section 12, only of this specification: This
drawn 2015)
standard does not purport to address all of the safety concerns,
E94Guide for Radiographic Examination Using Industrial
if any, associated with its use. It is the responsibility of the user
Radiographic Film
of this standard to establish appropriate safety, health, and
IEEE/ASTM SI 10Standard for the Use of the International
4
environmental practices and determine the applicability of
System of Units (SI): The Modern Metric System
regulatory limitations prior to use.
5
2.2 ISO Standards:
1.5 This international standard was developed in accor-
ISO 13000-1 (2005) Plastics—Polytetrafluoroethylene
dance with internationally recognized principles on standard-
(PTFE) Semi-Finished Products, Part 1: Basis for Speci-
ization established in the Decision on Principles for the
fication
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
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.
1 3
This specification is under the jurisdiction of ASTM Committee D20 on The last approved version of this historical standard is referenced on
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic www.astm.org.
4
Materials. Available from ASTM International, 100 Barr Harbor Drive, West
Current edition approved Oct. 1, 2021. Published October 2021. Originally Conshohocken, PA 19428.
5
approved in 1960. Last previous edition approved in 2015 as D1710-15. DOI: Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
10.1520/D1710-15R21. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D1710 − 15 (2021)
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