ASTM D2305-10
(Test Method)Standard Test Methods for Polymeric Films Used for Electrical Insulation
Standard Test Methods for Polymeric Films Used for Electrical Insulation
SIGNIFICANCE AND USE
Many electrical and physical properties of films vary significantly with changes in temperature and humidity. Properties of thin plastic films can change very rapidly; therefore, the specimen needs to be in the stated conditioning environment when the test is being performed. When the test is performed in a different environment, note these conditions and the time of exposure to this new environment.
SCOPE
1.1 These test methods cover the testing of homogeneous organic polymer films not over 2.4 mm (95 mils) thick that are to be used for electrical insulation.
1.2 These test methods are not necessarily applicable to testing films in combinations with a coating, another film, or with other types of substrate, such as fabrics or papers.
1.3 The values stated in SI units are the standard. The values in parentheses are provided for information only.
General Information
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Designation: D2305 − 10
Standard Test Methods for
1
Polymeric Films Used for Electrical Insulation
This standard is issued under the fixed designation D2305; 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 D149Test Method for Dielectric Breakdown Voltage and
DielectricStrengthofSolidElectricalInsulatingMaterials
1.1 These test methods cover the testing of homogeneous
at Commercial Power Frequencies
organic polymer films not over 2.4 mm (95 mils) thick that are
D150Test Methods forAC Loss Characteristics and Permit-
to be used for electrical insulation.
tivity (Dielectric Constant) of Solid Electrical Insulation
1.2 These test methods are not necessarily applicable to
D257Test Methods for DC Resistance or Conductance of
testing films in combinations with a coating, another film, or
Insulating Materials
with other types of substrate, such as fabrics or papers.
D374Test Methods for Thickness of Solid Electrical Insu-
3
1.3 ThevaluesstatedinSIunitsarethestandard.Thevalues lation (Withdrawn 2013)
D570Test Method for Water Absorption of Plastics
in parentheses are provided for information only.
D882Test Method for Tensile Properties of Thin Plastic
1.4 The procedures appear in the following sections:
Sheeting
Procedure Sections
D883Terminology Relating to Plastics
Conditioning 5 and 6
D1000 Test Methods for Pressure-Sensitive Adhesive-
Dielectric Breakdown Voltage & Dielectric Strength 20 to 25
Extractables 64 to 69
Coated Tapes Used for Electrical and ElectronicApplica-
Heat-Seal Strength 58 to 63
tions
Permittivity and Dissipation Factor 41 to 46
D1531Test Methods for Relative Permittivity (Dielectric
Resistance Method for Measuring the Tendency to
Corrode Metals 37 to 40
Constant) and Dissipation Factor by Fluid Displacement
Sampling 4 3
Procedures (Withdrawn 2012)
Shrinkage 47 to 52
D1676Test Methods for Film-Insulated Magnet Wire
Strain Relief 12 to 19
Surface Resistivity 26 to 30
D1711Terminology Relating to Electrical Insulation
Tensile Properties 11
D5032PracticeforMaintainingConstantRelativeHumidity
Thickness 7 to 10
by Means of Aqueous Glycerin Solutions
Volume Resistivity 31 to 36
Water Absorption 52 to 57
D6054Practice for Conditioning Electrical Insulating Mate-
3
rials for Testing (Withdrawn 2012)
1.5 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the E691Practice for Conducting an Interlaboratory Study to
Determine the Precision of a Test Method
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
2.2 IEC Standard:
bility of regulatory limitations prior to use. For a specific Publication60674–2SpecificationforPlasticFilmsforElec-
4
warning statement see 23.1.
trical Purposes
NOTE 1—These test methods are similar to IEC 60674–2.
3. Terminology
3.1 Definitions:
2. Referenced Documents
2 3.1.1 Definitions are in accordance with Terminologies
2.1 ASTM Standards:
D1711 and D883 unless otherwise specified.
3.2 Definitions of Terms Specific to This Standard:
1
3.2.1 sheet, n—material greater than 75 mm in width.
These test methods are under the jurisdiction of ASTM Committee D09 on
Electrical and Electronic Insulating Materials and are the direct responsibility of
3.2.2 strain relief, n—relaxation at a specified elevated
Subcommittee D09.07 on Flexible and Rigid Insulating Materials.
temperature of induced strains.
Current edition approved Oct. 1, 2010. Published October 2010. Originally
published in 1964. Last previous edition approved in 2002 as D2305–02. DOI:
10.1520/D2305-10.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or The last approved version of this historical standard is referenced on
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.astm.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 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
1
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D2305 − 10
3.2.3 strip, n—material 75 mm or less in width. 9. Report
9.1 Report the average, maximum, and minimum thick-
4. Sampling
nesses to the nearest 0.5 µm (0.02 mil) for specimens thinner
4.1 Remove the outer three or more layers down from the
than 50 µm (2 mils) and to the nearest 1 µm (0.04 mil) for
roll or stack of material before sampling.
specimens 50 µm
...
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:D2305–02 Designation:D2305–10
Standard Test Methods for
1
Polymeric Films Used for Electrical Insulation
This standard is issued under the fixed designation D2305; 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
1.1 These test methods cover the testing of homogeneous organic polymer films not over 2.4 mm (95 mils) thick that are to be
used for electrical insulation.
1.2 These test methods are not necessarily applicable to testing films in combinations with a coating, another film, or with other
types of substrate, such as fabrics or papers.
1.3 The values stated in SI units are the standard. The values in parentheses are provided for information only.
1.4 The procedures appear in the following sections:
Procedure Sections
Conditioning 5 and 6
Dielectric Breakdown Voltage & Dielectric Strength 20 to 25
Extractables 64 to 69
Heat-Seal Strength 58 to 63
Permittivity and Dissipation Factor 41 to 46
Resistance Method for Measuring the Tendency to
Corrode Metals 37 to 40
Sampling 4
Shrinkage 47 to 52
Strain Relief 12 to 19
Surface Resistivity 26 to 30
Tensile Properties 11
Thickness 7to10
Volume Resistivity 31 to 36
Water Absorption 52 to 57
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 a specific warning statement see 23.1.
NOTE 1—These test methods are similar to IEC 60674–2.
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
D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D257 Test Methods for DC Resistance or Conductance of Insulating Materials
D374 Test Methods for Thickness of Solid Electrical Insulation
D570 Test Method for Water Absorption of Plastics
D882 Test Method for Tensile Properties of Thin Plastic Sheeting
D883 Terminology Relating to Plastics
D1000 Test Methods for Pressure-Sensitive Adhesive-Coated Tapes Used for Electrical and Electronic Applications
D1531 Test Methods for Relative Permittivity (Dielectric Constant) and Dissipation Factor by Fluid Displacement Procedures
D1676 Test Methods for Film-Insulated Magnet Wire
1
ThesetestmethodsareunderthejurisdictionofASTMCommitteeD09onElectricalandElectronicInsulatingMaterialsandarethedirectresponsibilityofSubcommittee
D09.07 on Flexible and Rigid Insulating Materials.
Current edition approved March 10, 2002. Published June 2002. Originally published as D2305–64T. Last previous edition D2305–99. DOI: 10.1520/D2305-02.
Current edition approved Oct. 1, 2010. Published October 2010. Originally published in 1964. Last previous edition approved in 2002 as D2305 – 02. DOI:
10.1520/D2305-10.
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D2305–10
D1711 Terminology Relating to Electrical Insulation
D5032 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions
D6054 Practice for Conditioning Electrical Insulating Materials for Testing
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
2.2 IEC Standard:
3
Publication 60674–2 Specification for Plastic Films for Electrical Purposes
3. Terminology
3.1 Definitions:
3.1.1 Definitions are in accordance with Terminologies D1711 and D883 unless otherwise specified.
3.2 Definitions of Terms Specific to This Standard:
3.2.1 sheet, n—material greater than 75 mm in width.
3.2.2 strain relief, n—relaxation at a specified elevated temperature of induced strains.
3.2.3 strip, n—material 75 mm or less in width.
4. Sampling
4.1 Remove the outer three or more layers down from the roll or stack of material before
...
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