ASTM-D2519 › Standard Test Method for Bond Strength of Electrical Insulating Varnishes by the Helical Coil Test
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Scope
1.1 This test method covers determination of the bond strength of an electrical insulating varnish when applied to a helical coil. The helical coil can be made from bare aluminum or copper wire or from film or fiber-insulated magnet wire. Helical coils made from bare aluminum or bare copper wire will yield values of bond strength for the varnish when applied to bare metal conductors. The use of film or fiber-insulated magnet wire will show values for that particular combination of insulation and varnish.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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 Section 7.
Keywords
bond strength; helical coil; varnish; ICS Number Code 29.035.60 (Varnished fabrics)
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10.02 (Electrical Insulation (II): D2518 - latest)
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Document Number
ASTM-D2519-19A
Revision Level
2019A EDITION
Status
Current
Modification Type
Revision
Publication Date
Nov. 1, 2019
Document Type
Test Method
Page Count
4 pages
Committee Number
D09.01