Significance and Use
This test method is useful for the evaluation of insulating varnish performance in high humidity exposure.
1. Scope
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 and health practices and determine the applicability of regulatory limitations prior to use. See 7.1.
Note 1—There is not ISO or IEC equivalent.
2. Referenced Documents (purchase separately) 
The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D2519 Test Method for Bond Strength of Electrical Insulating Varnishes by the Helical Coil Test
IEEE Standard
IEEE117 Standard Test Procedure for Evaluation of Systems of Insulating Materials for Randon-Wound AC Electric Machinery Available from Institute of Electrical and Electronics Engineers, Inc., 3 Park Avenue, 17th Floor, New York, NY 10017.
Keywords
bond strength; helical coils; moisture resistance; varnish ; Bond strength--electrical insulating materials; Electrical insulating varnishes; Helical coils; Moisture analysis--insulating materials/applications; Moisture resistance
ICS Code
ICS Number Code 29.035.60 (Varnished fabrics)
DOI: 10.1520/D5637-05R12
ASTM International is a member of CrossRef.
Citing ASTM Standards
[Back to Top]
