ASTM-D5637 Standard Test Method for Moisture Resistance of Electrical Insulating Varnishes

ASTM-D5637 - 20015 R17 EDITION - CURRENT
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Standard Test Method for Moisture Resistance of Electrical Insulating Varnishes



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1.1 This test method covers the mechanical performance of electrical insulating varnishes subjected to high humidity conditions.

1.2 The values stated in SI units are to be regarded as 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. See 7.1.

Note 1: There is not ISO or IEC equivalent.

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.

Significance and Use

5.1 This test method is useful for the evaluation of insulating varnish performance in high humidity exposure.


bond strength; helical coils; moisture resistance; varnish ;; ICS Number Code 29.035.60 (Varnished fabrics)

To find similar documents by ASTM Volume:

10.02 (Electrical Insulation (II): D2518 - latest)

To find similar documents by classification:

29.035.60 (Varnished fabrics)

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Document Number


Revision Level

20015 R17 EDITION



Modification Type


Publication Date

Nov. 1, 2017

Document Type

Test Method

Page Count

2 pages

Committee Number