ASTM D3296-03(2008)
(Specification)Standard Specification for FEP-Fluorocarbon Tube
Standard Specification for FEP-Fluorocarbon Tube
ABSTRACT
This specification covers the tubing that is intended for electrical, mechanical, chemical and medical applications manufactured from extrusion resins made from the copolymer of tetrafluoroethylene and hexafluoropropylene. Three types of FEP-fluorocarbon tubing are classified which are differentiated by size schedules: Type I which is tubing based upon the American wire gage, Type II which is tubing based upon fractional inch sizes, and Type III which is tubing of all other sizes. Tubings are further differentiated in accordance to its increasing wall thicknesses in classes which are Class A, Class C, Class D, and Class E. Several properties of tubing such as inside diameter, wall thickness, specific gravity, tensile strength, elongation, dielectric breakdown voltage, dimensional stability, and heat resistance shall be determined by subjecting it to different test methods.
SCOPE
1.1 The tubing is intended for electrical, mechanical, chemical, and medical applications manufactured from extrusion resins made from the copolymer of tetrafluoroethylene and hexafluoropropylene (FEP-fluorocarbon). This specification is for virgin material only and does not address recycled material as it is not appropriate for FEP tubing.
Note 1—Abbreviations are in accordance with Terminology D 1600.
Note 2—There is no similar ISO standard.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following safety hazards caveat pertains only to the test methods portion, Section ,8 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:D3296 −03(Reapproved 2008)
Standard Specification for
1
FEP-Fluorocarbon Tube
This standard is issued under the fixed designation D3296; 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* D4894 Specification for Polytetrafluoroethylene (PTFE)
Granular Molding and Ram Extrusion Materials
1.1 The tubing is intended for electrical, mechanical,
IEEE/ASTM SI 10 American National Standard for Use of
chemical, and medical applications manufactured from extru-
theInternationalSystemofUnits(SI):TheModernMetric
sionresinsmadefromthecopolymeroftetrafluoroethyleneand
System
hexafluoropropylene (FEP-fluorocarbon). This specification is
for virgin material only and does not address recycled material
3. Terminology
as it is not appropriate for FEP tubing.
3.1 Definitions—Definitions of terms used in this specifica-
NOTE 1—Abbreviations are in accordance with Terminology D1600.
tion shall be in accordance with Terminology D883.
NOTE 2—There is no similar ISO standard.
3.2 Definitions of Terms Specific to This Standard:
1.2 The values stated in SI units are to be regarded as the
3.2.1 lot, n—one production run or uniform blend of two or
standard. The values given in parentheses are for information
only. more production runs.
1.3 The following safety hazards caveat pertains only to the
4. Classification
test methods portion, Section ,8 of this specification: This
standard does not purport to address all of the safety concerns, 4.1 This specification provides for three types of FEP-
if any, associated with its use. It is the responsibility of the user fluorocarbon tubing differentiated by size schedules as follows:
of this standard to establish appropriate safety and health 4.1.1 Type I—Tubing based upon the American Wire Gage
practices and determine the applicability of regulatory limita-
(AWG) sizes.
tions prior to use.
4.1.2 Type II—Tubing based upon fractional inch sizes (see
Note 2).
2. Referenced Documents
4.1.3 Type III—Tubing of all other sizes, as agreed by buyer
2
2.1 ASTM Standards:
and seller. This type shall conform to the Dimensional Toler-
D149 Test Method for Dielectric Breakdown Voltage and
ances for FEP Tubing, as listed inTable 3.
Dielectric Strength of Solid Electrical Insulating Materials
4.2 The types are further differentiated in accordance with
at Commercial Power Frequencies
increasing wall thicknesses as follows:
D618 Practice for Conditioning Plastics for Testing
4.2.1 Class A—Tubing having walls tabulated in Table 1
D792 Test Methods for Density and Specific Gravity (Rela-
listed as light-weight wall.
tive Density) of Plastics by Displacement
4.2.2 Class C—Tubing having walls tabulated in Table 1
D883 Terminology Relating to Plastics
listed as standard wall (see Note 3).
D1600 Terminology forAbbreviatedTerms Relating to Plas-
4.2.3 Class D—Tubing having walls tabulated in Table 2
tics
listed as chemical tubing.
D1675 Test Methods for Polytetrafluoroethylene Tubing
4.2.4 Class E—Tubing having walls listed as heavy or
D2116 Specification for FEP-Fluorocarbon Molding and
conforming to the Dimensional Tolerances for FEP Tubing as
Extrusion Materials
listed in Table 3.
1
This specification is under the jurisdiction of ASTM Committee D20 on
NOTE 3—Tubing having electrical internal diameters and wall thickness
Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic
dimensions were deleted because of lack of demand.
Materials (Section 20.15.12).
NOTE 4—Class B has been deleted because of lack of demand.
Current edition approved April 1, 2008. Published July 2008. Originally
4.3 A one-line system is used to specify materials in this
approved in 1974. Last previous edition approved in 2003 as D3296 - 03. DOI:
10.1520/D3296-03R08.
specification. The system uses predefined cells to refer to
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
specific aspects of this specification, as illustrated as follows:
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.
*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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D3296−03 (2008)
TABLE 1 Dimensions and Tolerances for Type I FEP-Fluorocarbon Tubing—Dimensions, mm (in.)
Wall Thickness
Inside Diameter Class A Class C
AWG Size
Lightweight Wall Standard Wall
min max nom min max nom min max
24 0.51 (0.020) 0.69 (0.0
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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:D 3296–98
Standard Specification for Designation: D 3296 – 03
(Reapproved 2008)
Standard Specification for
1
FEP-Fluorocarbon Tube
This standard is issued under the fixed designation D 3296; 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.
1. Scope*
1.1 The tubing is intended for electrical, mechanical, chemical, and medical applications manufactured from extrusion resins
made from the copolymer of tetrafluoroethylene and hexafluoropropylene (FEP-fluorocarbon). This specification is for virgin
material only and does not address recycled material as it is not appropriate for FEP tubing.
NOTE 1—Abbreviations are in accordance with Terminology D1600.
NOTE 2—There is no similar ISO standard.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following safety hazards caveat pertains only to the test methods portion, Section ,7 8 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 and health practices and determine the applicability of regulatory limitations prior
to use.
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
D618Practice for Conditioning Plastics and Electrical Insulating Materials for Testing Practice for Conditioning Plastics for
Testing
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D1457Specification for PTFE Molding and Extrusion Materials 883 Terminology Relating to Plastics
D1600 Terminology for Abbreviated Terms Relating to Plastics
3
D1675Test Method for Polytetrafluoroethylene Tubing
3
D1898Practice for Sampling of Plastics Test Methods for Polytetrafluoroethylene Tubing
3
D2116Specification for FEP-Fluorocarbon Molding and Extrusion Materials
E691Practice for Conducting an Interlaboratory Test Program to Determine the Precision of a Test Method Specification for
FEP-Fluorocarbon Molding and Extrusion Materials
D4894 Specification for Polytetrafluoroethylene (PTFE) Granular Molding and Ram Extrusion Materials
IEEE/ASTM SI 10 American National Standard for Use of the International System of Units (SI):The Modern Metric System
3. Classification
3.1This specification provides for three types of FEP-fluorocarbon tubing differentiated by size schedules as follows:
3.1.1Type ITerminology
3.1 Definitions—Definitions of terms used in this specification shall be in accordance with Terminology D883.
1
ThisspecificationisunderthejurisdictionofASTMCommitteeD-20D20onPlasticsandisthedirectresponsibilityofSubcommitteeD20.15onThermoplasticMaterials
(Section 20.15.12).
Current edition approved April 10, 1998.1, 2008. Published January 1999.July 2008. Originally published as D3296–74.approved in 1974. Last previous edition
D3296–93.approved in 2003 as D3296-03.
2
Annual Book of ASTM Standards, Vol 10.01.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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 ----------------------
D 3296 – 03 (2008)
3.2 Definitions of Terms Specific to This Standard:
3.2.1 lot, n—one production run or uniform blend of two or more production runs.
4. Classification
4.1 This specification provides for three types of FEP-fluorocarbon tubing differentiated by size schedules as follows:
4.1.1 Type I—Tubing based upon the American Wire Gage (AWG) sizes.
3.1.2Type II
4.1.2 Type II—Tubing based upon fractional inch sizes (see Note 2).
3.1.3Type III
4.1.3 Type III—Tubing of all other sizes, as agreed by buyer and seller.This type shall conform to the DimensionalTolerances
for FEP Tubing, as listed in Table 3.
3.2The4.2 The types are further differentiated in accordance with increasing wall thicknesses as follows:
3.2.14.2.1 Class A—Tubing having walls tabula
...
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