ASTM D4325-08
(Test Method)Standard Test Methods for Nonmetallic Semi-Conducting and Electrically Insulating Rubber Tapes
Standard Test Methods for Nonmetallic Semi-Conducting and Electrically Insulating Rubber Tapes
SIGNIFICANCE AND USE
The physical and electrical properties, including break strength, elongation, dielectric strength, dissipation factor, permittivity, fusion, etc., will vary with temperature and moisture content. Control the temperature and moisture content of the sample for these test methods to yield consistent and reproducible results.
SCOPE
1.1 These test methods cover the methods and procedures for testing electrically insulating and semi-nonmetallic conducting rubber tapes designed for splicing, terminating, and sheath repair of electrical wire and cable.
1.2 The test methods appear in the following sections:
Section Referenced Documents2 Conditioning5-6 Dielectric Strength35-40 Dimensions11-16 Dissipation Factor22-26 Elongation17-21 Heat Exposure46-49 Fusion7-10 Ozone Resistance41-45 Permittivity22-26 Sample Requirements4 Tensile Strength17-21 Volume Resistivity27-34 Ultraviolet and Weather Resistance50-54
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
Note 1—There is no IEC equivalent to these methods.
1.4 Unless otherwise stated, measurements are made on tapes from which the removable separator has been removed.
1.5 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. For specific precaution statements see 43.1.
1.6 This is a fire-test response standard.
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Designation: D4325 − 08 AnAmerican National Standard
Standard Test Methods for
Nonmetallic Semi-Conducting and Electrically Insulating
1
Rubber Tapes
This standard is issued under the fixed designation D4325; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* 1.6 This is a fire-test response standard.
1.1 These test methods cover the methods and procedures
2. Referenced Documents
for testing electrically insulating and semi-nonmetallic con-
2
2.1 ASTM Standards:
ducting rubber tapes designed for splicing, terminating, and
D149 Test Method for Dielectric Breakdown Voltage and
sheath repair of electrical wire and cable.
Dielectric Strength of Solid Electrical Insulating Materials
1.2 The test methods appear in the following sections:
at Commercial Power Frequencies
Section
D150 Test Methods forAC Loss Characteristics and Permit-
Referenced Documents 2
tivity (Dielectric Constant) of Solid Electrical Insulation
Conditioning 5-6
Dielectric Strength 35-40
D257 Test Methods for DC Resistance or Conductance of
Dimensions 11-16
Insulating Materials
Dissipation Factor 22-26
D374 Test Methods for Thickness of Solid Electrical Insu-
Elongation 17-21
Heat Exposure 46-49 lation
Fusion 7-10
D412 Test Methods for Vulcanized Rubber and Thermoplas-
Ozone Resistance 41-45
tic Elastomers—Tension
Permittivity 22-26
Sample Requirements 4 D470 Test Methods for Crosslinked Insulations and Jackets
Tensile Strength 17-21
for Wire and Cable
Volume Resistivity 27-34
D750 Test Method for Rubber Deterioration UsingArtificial
Ultraviolet and Weather Resistance 50-54
Weathering Apparatus
1.3 The values stated in SI units are to be regarded as
D4388 Specification for Nonmetallic Semi-Conducting and
standard. The values given in parentheses are mathematical
Electrically Insulating Rubber Tapes
conversions to inch-pound units that are provided for informa-
D4496 Test Method for D-C Resistance or Conductance of
tion only and are not considered standard.
Moderately Conductive Materials
NOTE 1—There is no IEC equivalent to these methods.
E591 Practice for Safety and Health Requirements Relating
3
to Occupational Exposure to Ozone
1.4 Unless otherwise stated, measurements are made on
tapes from which the removable separator has been removed.
3. Terminology
1.5 This standard does not purport to address all of the
3.1 Definitions of Terms Specific to This Standard:
safety concerns, if any, associated with its use. It is the
3.1.1 fusion, n—that property of rubber tape which causes
responsibility of the user of this standard to establish appro-
adjacent layers of tape to become bonded (amalgamated) or
priate safety and health practices and determine the applica-
adhered together when the tape is stretched and wound upon
bility of regulatory limitations prior to use. For specific
itself in layers.
precaution statements see 43.1.
1 2
These test methods are under the jurisdiction of ASTM Committee D09 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Electrical and Electronic Insulating Materials and are the direct responsibility of contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Subcommittee D09.07 on Flexible and Rigid Insulating Materials. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved May 1, 2008. Published June 2008. Originally the ASTM website.
3
approved in 1997. Last previous edition approved in 2002 as D4325 – 02. DOI: Withdrawn. The last approved version of this historical standard is referenced
10.1520/D4325-08. on www.astm.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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D4325 − 08
SAMPLING device to rotate the rod so that the specimen may be wound
thereon. Attach the fixture to a rigid support with the rod held
4. Sample and Specimen Requirements
in a horizontal position.
4.1 Unless otherwise required by the detailed product speci-
8.2 Rods—Any suitable metal of 3-mm (0.125-in.) diameter
fications, take the rubber tapes at random from each shipment
and a minimum of 229 mm (9.0 in.) in length.
as follows:
8.3 Rule, graduated in inches, 762-mm (30-in.) minimum
Number of Rolls Number of Sample
length.
in Shipment Rolls
1
8.4 Rule, graduated in 0.4 mm ( ⁄64 in.).
50 to 200 2
201 to 500 3
8.5 Razor Blades.
501 to 1000 4
1001 to 5000 5
8.6 Board, with 3-
...
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
Designation:D4325–02 Designation:D4325–08
Standard Test Methods for
Nonmetallic Semi-Conducting and Electrically Insulating
1
Rubber Tapes
This standard is issued under the fixed designation D 4325; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 These test methods cover the methods and procedures for testing electrically insulating and semi-nonmetallic conducting
rubber tapes designed for splicing, terminating, and sheath repair of electrical wire and cable.
1.2 The test methods appear in the following sections:
Section
Referenced Documents 2
Conditioning 5-6
Dielectric Strength 35-40
Dimensions 11-16
Dissipation Factor 22-26
Elongation 17-21
Heat Exposure 46-49
Fusion 7-10
Ozone Resistance 41-45
Permittivity 22-26
Sample Requirements 4
Tensile Strength 17-21
Volume Resistivity 27-34
Ultraviolet and Weather Resistance 50-54
1.3The SI values are the standard. The inch-pound values given in parentheses are for information purposes only.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions
to inch-pound units that are provided for information only and are not considered standard.
NOTE 1—There is no IEC equivalent to these methods.
1.4 Unless otherwise stated, measurements are made on tapes from which the removable separator has been removed.
1.5 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. For specific precaution statements see 43.1.
1.6 This is a fire-test response standard.
2. Referenced Documents
2
2.1 ASTM Standards:
D 149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at
Commercial Power Frequencies
2
D 150 Test Methods forAC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulating Materials
Insulation
D 257 Test Methods for DC Resistance or Conductance of Insulating Materials
D 374 Test Methods for Thickness of Solid Electrical Insulation
D 412Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers—Tension Test Methods
for Vulcanized Rubber and Thermoplastic ElastomersTension
1
ThesetestmethodsareunderthejurisdictionofASTMCommitteeD09onElectricalandElectronicInsulatingMaterialsandarethedirectresponsibilityofSubcommittee
D09.07 on Flexible and Rigid Insulating Materials.
Current edition approved March 10, 2002. Published June 2002. Originally published as D4325–97.
Current edition approved May 1, 2008. Published June 2008. Originally approved in 1997. Last previous edition approved in 2002 as D 4325 – 02.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 10.01.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 ----------------------
D4325–08
D 470 Test Methods for Crosslinked Insulations and Jackets for Wire and Cable
D 750 Test Method for Rubber Deterioration in Carbon-ArcUsing Artificial Weathering Apparatus
D 4388 Specification for Nonmetallic Semi-Conducting and Electrically Insulating Rubber Tapes
D 4496 Test Method for D-C Resistance or Conductance of Moderately Conductive Materials
3
E 591 Practice for Safety and Health Requirements Relating to Occupational Exposure to Ozone
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 fusion, n—that property of rubber tape which causes adjacent layers of tape to become bonded (amalgamated) or adhered
together when the tape is stretched and wound upon itself in layers.
SAMPLING
4. Sample and Specimen Requirements
4.1 Unless otherwise required by the detailed product specifications, take the rubber tapes at random from each shipment as
follows
...
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