ASTM D2220-11
(Specification)Standard Specification for Poly(Vinyl Chloride) Insulation for Wire and Cable, 75°C Operation
Standard Specification for Poly(Vinyl Chloride) Insulation for Wire and Cable, 75<span class='unicode'>°</span>C Operation
ABSTRACT
This specification covers a thermoplastic poly(vinyl chloride) insulation for wire and cable at the prescribed temperature. This insulation is recommended for use in power and control circuits at the specified thickness and voltage ratings and to dry locations. Tests are done on insulated wire or cable in this specification solely to determine the relevant property of the insulation material and not to test the conductor or completed cable. The insulation shall conform to the physical property requirements prescribed for the following: (1) tensile strength and elongation for unaged specimen and aged (using air oven test) tubular and buffed die-cut specimen, (2) heat shock, (3) heat distortion, (4) vertical flame test, (5) tensile strength and elongation for oil resistance test, and (6) cold bond test. Electrical tests shall be performed in the following order: ac voltage test, insulation resistance test, and dc voltage test. The insulation shall conform to the other electrical requirements such as accelerated water absorption (including permittivity and capacitance) and dielectric strength, and shall meet the prescribed thickness as well.
SCOPE
1.1 This specification covers a thermoplastic insulation of poly(vinyl chloride) or the copolymer of vinyl chloride and vinyl acetate.
1.2 This insulation is recommended for use in power and control circuits at temperatures not higher than 75°C. At a thickness of 15 mils (0.38 mm), application is limited to voltage ratings below 300 V, and to dry locations. At a thickness of 30 mils, the application range is widened to dry or wet applications, and to a voltage rating of 600 V.
1.3 In many instances the insulation material cannot be tested unless it has been formed around a conductor or cable. Therefore, tests are done on insulated wire or cable in this specification solely to determine the relevant property of the insulation material and not to test the conductor or completed cable.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4.1 In come cases (including the title), temperatures are described in degrees Celsius only.
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Designation:D2220 −11
Standard Specification for
Poly(Vinyl Chloride) Insulation for Wire and Cable, 75°C
1
Operation
This standard is issued under the fixed designation D2220; 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* 3.1.1 For definitions of terms used in this specification, refer
to Terminology D1711.
1.1 This specification covers a thermoplastic insulation of
3.2 Definitions of Terms Specific to This Standard:
poly(vinyl chloride) or the copolymer of vinyl chloride and
3.2.1 aging (act of), n—exposure of materials to air or oil at
vinyl acetate.
a temperature and a time as specified in Table 1.
1.2 This insulation is recommended for use in power and
control circuits at temperatures not higher than 75°C. At a
4. Physical Properties
thickness of 15 mils (0.38 mm), application is limited to
4.1 The insulation shall conform to the requirements for
voltage ratings below 300 V, and to dry locations. At a
physical properties prescribed in Table 1.
thickness of 30 mils, the application range is widened to dry or
wet applications, and to a voltage rating of 600 V.
5. Electrical Requirements
1.3 In many instances the insulation material cannot be
5.1 Perform the ac voltage, insulation resistance, and dc
tested unless it has been formed around a conductor or cable.
voltage tests in that order when any of these tests are required.
Therefore, tests are done on insulated wire or cable in this
The sequence for other testing is not specified.
specification solely to determine the relevant property of the
insulation material and not to test the conductor or completed
5.2 AC Voltage Test—Test the insulated conductor at the ac
cable.
withstand voltage as specified in Table 2. Unless otherwise
specified, omit this test if the dc withstand voltage test
1.4 The values stated in inch-pound units are to be regarded
described in 5.4 is performed.
as standard. The values given in parentheses are mathematical
5.2.1 For cables or conditions of service where mechanical
conversions to SI units that are provided for information only
stresses govern, such as in submarine cables or long vertical
and are not considered standard.
1.4.1 In come cases (including the title), temperatures are risers, it is possible that the minimum conductor sizes in Table
2 are not strong enough.
described in degrees Celsius only.
5.2.2 The thicknesses given in Table 2 apply to aerial cables
2. Referenced Documents
andtosingleconductorsinstalledinconduitsabovegroundand
2
to the individual conductors of all multiple-conductor cables
2.1 ASTM Standards:
having a common jacket metallic sheath or protective covering
D1711 Terminology Relating to Electrical Insulation
over the assembly, except as shown in 5.2.2.1.
D2633 Test Methods for Thermoplastic Insulations and
5.2.2.1 For single-conductor cables for installation in under-
Jackets for Wire and Cable
ground ducts or direct earth burial, add 15 mils (0.38 mm) to
theinsulationthicknessesgiveninTable2whensuchcablesdo
3. Terminology
not have a thermoplastic jacket or metallic sheath over the
3.1 Definitions:
assembly.
5.2.3 Where the thickness of the insulation is increased for
mechanical reasons or for special service conditions, determine
1
This specification is under the jurisdiction of ASTM Committee D09 on
the test voltage in Table 2 by the size of the conductor and the
Electrical and Electronic Insulating Materials and is the direct responsibility of
Subcommittee D09.07 on Electrical Insulating Materials.
rated voltage.
Current edition approved Aug. 1, 2011. Published August 2011. Originally
ε1
5.3 Insulation Resistance:
approved in 1963. Last previous edition approved in 2007 as D2220 – 02 (2007) .
2
DOI: 10.1520/D2220-11.
5.3.1 Insulated conductors in sizesAWG 14 (2.08 mm ) and
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
larger shall have an insulation resistance of at least that
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
corresponding to a constant of 2000 M Ω-1000 ft at 60°F
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. (15.6°C).
*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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D2220−11
TABLE 1 Physical Properties Requirements
voltage specified in Table 2. Unless otherwise specified, omit
Unaged Requirements: this test if the ac withstand voltage test described in 5.2 is
Tensile strength, min
...
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.
An American National Standard
´1
Designation:D2220–02 (Reapproved 2007) Designation: D2220 – 11
Standard Specification for
Poly(Vinyl Chloride) Insulation for Wire and Cable, 75°C
1
Operation
This standard is issued under the fixed designation D2220; 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
´ NOTE—The text of 5.2, 5.4, and Note 1 of Table 2 was revised editorially October 2007.
1. Scope*
1.1 This specification covers a thermoplastic insulation of poly(vinyl chloride) or the copolymer of vinyl chloride and vinyl
acetate.
1.2 This insulation is recommended for use in power and control circuits at temperatures not higher than 75°C. At a thickness
of 15 mils (0.38 mm), application is limited to voltage ratings below 300 V, and to dry locations. At a thickness of 30 mils, the
application range is widened to dry or wet applications, and to a voltage rating of 600 V.
1.3Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those in
parentheses are for information only.
1.4In many instances the insulation material cannot be tested unless it has been formed around a conductor or cable. Therefore,
tests are done on insulated wire or cable in this specification solely to determine the relevant property of the insulation material
and not to test the conductor or completed cable.
1.3 In many instances the insulation material cannot be tested unless it has been formed around a conductor or cable.Therefore,
tests are done on insulated wire or cable in this specification solely to determine the relevant property of the insulation material
and not to test the conductor or completed cable.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.4.1 In come cases (including the title), temperatures are described in degrees Celsius only.
2. Referenced Documents
2
2.1 ASTM Standards:
D1711 Terminology Relating to Electrical Insulation
D2633 Test Methods for Thermoplastic Insulations and Jackets for Wire and Cable
3. Terminology
3.1 Definitions:
3.1.1 For definitions of terms used in this specification, refer to Terminology D1711.
3.2 Definition of Term Specific to This Standard:
3.2.1 aging (act of), n—exposure of materials to air or oil at a temperature and a time as specified in Table 1.
4. Physical Properties
4.1 The insulation shall conform to the requirements for physical properties prescribed in Table 1.
5. Electrical Requirements
5.1 Perform the ac voltage, insulation resistance, and dc voltage tests in that order when any of these tests are required. The
sequence for other testing is not specified.
1
This specification is under the jurisdiction of ASTM Committee D09 on Electrical and Electronic Insulating Materials and is the direct responsibility of Subcommittee
D09.18 on Solid Insulations, Non-Metallic Shieldings and Coverings for Electrical and Telecommunication Wires and Cables.
Current edition approved Oct. 1, 2007. Published October 2007. Originally approved in 1963. Last previous edition approved in 2002 as D2220–02. DOI:
10.1520/D2220-02R07E01.
e1
Current edition approved Aug. 1, 2011. Published August 2011. Originally approved in 1963. Last previous edition approved in 2007 as D2220 – 02(2007) . DOI:
10.1520/D2220-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM 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.
*ASummary 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 ----------------------
D2220 – 11
TABLE 1 Physical Properties Requirements
Unaged Requirements:
Tensile strength, min, psi (MPa) 2000 (13.8)
Elongation at rupture, min, % 150
Aged Requirements:
After air oven test at 1216 1 °C for 168 h:
2
Tubular Specimens—up to size AWG 6 (13.3 mm )
Tensile strength, min, % of unaged value 80
Elongation, min, % of unaged value 75
Buffed die-cut Specimens—sizes AWG 6 and larger
Tensile strength, min, % of una
...
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