ASTM D2220-97

Standard Specification for Poly(Vinyl Chloride) Insulation for Wire and Cable, 75&#176C Operation

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 Whenever 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.
1.4 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.

General Information

• Status: Historical
• Publication Date: 09-Mar-2002
• ICS: 29.035.20 - Plastics and rubber insulating materials
• Technical Committee: D09 - Electrical and Electronic Insulating Materials

Relations

• Replaced By: ASTM D2220-02 - Standard Specification for Poly(Vinyl Chloride) Insulation for Wire and Cable, 75&#176C Operation
• Effective Date: 10-Mar-2002
• Referred By: ASTM D8354-21 - Standard Test Method for Flammability of Electrical Insulating Materials Intended for Wires or Cables When Burning in a Vertical Configuration
• Effective Date: 10-Mar-2002

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 2220 – 97 An American National Standard
Standard Specification for
Poly(Vinyl Chloride) Insulation for Wire and Cable, 75°C
Operation
This standard is issued under the fixed designation D 2220; 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 (e) indicates an editorial change since the last revision or reapproval.
TABLE 1 Physical Properties Requirements for Insulation
1. Scope
Physical properties requirements:
1.1 This specification covers a thermoplastic insulation of
Tensile strength, min, psi (MPa) 2000 (13.8)
poly(vinyl chloride) or the copolymer of vinyl chloride and
Elongation at rupture, min, % 150
Air Oven Aging Requirements:
vinyl acetate. This insulation is recommended for use at
After air oven test at 1216 1°C for 168 h:
conductor temperatures not in excess of 75°C in dry locations
Tubular Specimens—up to size AWG 6 (13.3 mm )
at a maximum voltage rating of 300 V for power and control
Tensile strength, min, % of unaged value 80
circuits with an insulation thickness of 15 mils (0.38 mm) and Elongation, min, % of unaged value 75
Buffed die-cut Specimens—sizes AWG 6 and larger
is recommended at conductor temperatures not in excess of
Tensile strength, min, % of unaged value 50
75°C in wet or dry locations at a maximum voltage of 600 V
Elongation, min, % of unaged value 75
for power and control circuits. Heat shock, 121 6 1°C no cracks
Heat distortion, 121 6 1°C, max, % decrease 25
1.2 The values stated in inch-pound units are the standard,
Vertical flame test, max burning time after passes
except in cases where SI units are more appropriate. The values
five 15-s applications
Oil resistance test:
in parentheses are for information only.
After oil immersion at 706 1°C for 4 h:
1.3 In many instances the insulation cannot be tested unless
Tubular Specimens—up to size AWG 6 (13.3 mm )
it has been formed around a conductor or cable. Therefore,
Tensile strength, min, % of unaged value 85
Elongation, min, % of unaged value 85
tests are done on insulated wire or cable in this specification
Buffed die-cut Specimens—sizes AWG 6 and larger
solely to determine the relevant property of the insulation and
Tensile strength, min, % of unaged value 80
not to test the conductor or completed cable.
Elongation, min, % of unaged value 60
Cold bend test, −30 6 1°C for 1 h no cracks
2. Referenced Documents
2.1 ASTM Standards:
5. Electrical Requirements
D 1711 Terminology Relating to Electrical Insulation
5.1 Perform the ac voltage, insulation resistance, and dc
D 2633 Methods of Testing Thermoplastic Insulations and
voltage tests in that order when any of these tests are required.
Jackets for Wire and Cable
The sequence for other testing is not specified.
5.2 AC Voltage Test—Test the insulated conductor at the ac
3. Terminology
withstand voltage as specified in Table 2. This test may be
3.1 Definitions:
omitted if the dc withstand voltage test described in 5.4 is
3.1.1 For definitions of terms used in this specification, refer
performed.
to Terminology D 1711.
5.3 Insulation Resistance:
3.2 Definition of Term Specific to This Standard:
5.3.1 Insulated conductors in sizes AWG 14 (1.63 mm) and
3.2.1 aging (act of), n—exposure of materials to air or oil at
larger shall have an insulation resistance of at least that
a temperature and a time as specified in Table 1.
corresponding to a constant of 2000 at 60°F (15.6°C).
5.3.2 If the temperature at the time measurement was made
4. Physical Properties
differs from 60°F (15.6°C), correct the insulation resistance to
4.1 The insulation shall conform to the requirements for
60°F by multiplying the measured value by the proper correc-
physical properties prescribed in Table 1.
tion factor from Table 1, Temperature Correction Factors for
Insulation Resistance at 60°F, of Methods D 2633.
5.4 DC Voltage Test—Upon completion of the insulation
This specification is under the jurisdiction of ASTM Committee D-9 on
resistance test, test each non-shielded insulated conductor for 5
Electrical and Electronic Insulating Materials and is the direct responsibility of
min at a dc withstand voltage which is three times the ac test
Subcommittee D09.18 on Solid Insulations, Nonmetallic Shieldings, and Coverings
for Electrical and Telecommunications Wires and Cables.
voltage specified in Table 2. This test may be omitted if the ac
Current edition approved Sept. 10, 1997. Published February 1998. Originally
withstand voltage test described in 5.2 is performed.
published as D 2220 – 63T. Last previous edition D 2
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