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ASTM D 1932 : 2018

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Standard Test Method for Thermal Endurance of Flexible Electrical Insulating Varnishes

Available format(s)

Hardcopy , PDF

Superseded date

14-11-2019

Superseded by

ASTM D 1932 : 2019

Language(s)

English

Published date

01-11-2018

€67.30
Excluding VAT

This test method covers the determination of the relative thermal endurance of flexible electrical insulating varnishes by determining the time necessary at elevated temperatures to decrease the dielectric breakdown of the varnish to an arbitrarily selected value when applied to a standard glass fiber fabric.

Committee
D 09
DocumentType
Test Method
Pages
5
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1This test method covers the determination of the relative thermal endurance of flexible electrical insulating varnishes by determining the time necessary at elevated temperatures to decrease the dielectric breakdown of the varnish to an arbitrarily selected value when applied to a standard glass fiber fabric.

1.2This test method does not apply to varnishes that lose a high percentage of their dielectric breakdown voltage when flexed before elevated temperature exposure as prescribed in the screening test (Section 9). Examples of such varnishes are those used for high speed armatures and laminated structures. Also, this test method is not applicable to varnishes which distort sufficiently during thermal elevated temperature exposure so that they cannot be tested using the curved electrode assembly.

1.3Thermal endurance is expressed in terms of a temperature index.

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

Note 1:There is no equivalent IEC or ISO standard.

1.5This 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. For specific hazard statements, see Section 7.

1.6This 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.

ASTM D 3145 : 2018 Standard Test Method for Thermal Endurance of Electrical Insulating Varnishes by the Helical Coil Method
ASTM D 115 : 2017 Standard Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation
ASTM D 2756 : 2007 : R2017 Standard Test Method for Weight Loss of Electrical Insulating Varnishes

ASTM D 2307 : 2007 Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire
ASTM D 5423 : 1993 : R2005 Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation (Withdrawn 2014)
ASTM D 1711 : 2002 Standard Terminology Relating to Electrical Insulation
ASTM D 2307 : 2005 Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire
ASTM D 2307 : 1995 Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire
ASTM D 1711 : 2011 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2011 : REV A Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2013 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 1999 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2014 : REV A Standard Terminology Relating to Electrical Insulation
ASTM D 2518 : 1999 Standard Specification for Woven Glass Fabrics for Electrical Insulation
ASTM D 1711 : 2015 Standard Terminology Relating to Electrical Insulation
ASTM D 1711 : 2014 Standard Terminology Relating to Electrical Insulation
ASTM D 2518 : 1999 : R2004 Standard Specification for Woven Glass Fabrics for Electrical Insulation (Withdrawn 2013)
ASTM D 1711 : 2008 Standard Terminology Relating to Electrical Insulation
ASTM D 5423 : 1993 : R1999 Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation
ASTM D 2307 : 2001 Standard Test Method for Thermal Endurance of Film-Insulated Round Magnet Wire
ASTM D 5423 : 2014 Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Electrical Insulation

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