Standard Active Last Updated: Oct 17, 2023 Track Document
ASTM D374/D374M-23

Standard Test Methods for Thickness of Solid Electrical Insulation

Standard Test Methods for Thickness of Solid Electrical Insulation D0374_D0374M-23 ASTM|D0374_D0374M-23|en-US Standard Test Methods for Thickness of Solid Electrical Insulation Standard new BOS Vol. 10.01 Committee D09
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Significance and Use

5.1 Some electrical properties, such as dielectric strength, vary with the thickness of the material. Determination of certain properties, such as relative permittivity (dielectric constant) and volume resistivity, usually require a knowledge of the thickness. Design and construction of electrical machinery require that the thickness of insulation be known.

Scope

1.1 These test methods cover the determination of the thickness of several types of solid electrical insulating materials employing recommended techniques. Use these test methods except as otherwise required by a material specification.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Details
Book of Standards Volume: 10.01
Developed by Subcommittee: D09.12
Pages: 12
DOI: 10.1520/D0374_D0374M-23
ICS Code: 29.035.01