ASTM-D5638 › Standard Test Method for Chemical Resistance of Electrical Insulating Varnishes
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1.1 This test method covers the mechanical performance of insulating varnishes after exposure to various chemicals.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 .
Note 1: There is no IEC/ISO 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 chemical exposure.
bond strength; chemical resistance; helical coils; varnish;; ICS Number Code 29.035.60 (Varnished fabrics)
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Nov. 1, 2018