Standard Active Last Updated: Sep 04, 2020 Track Document
ASTM D3288/D3288M-20

Standard Test Methods for Magnet-Wire Enamels

Standard Test Methods for Magnet-Wire Enamels D3288_D3288M-20 ASTM|D3288_D3288M-20|en-US Standard Test Methods for Magnet-Wire Enamels Standard new BOS Vol. 10.02 Committee D09
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Significance and Use

4.1 These tests are useful for specification and control purposes during the manufacture, purchase, and use of the magnet-wire enamels, and for determining uniformity of batches.


1.1 These test methods cover testing liquid enamel coatings used to produce film-insulated magnet wire.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined

1.3 The test methods appear as follows:




6 – 10

Determined Solids

16 – 22

Effective Solids

31 – 37

Flash Point

11 – 15

Infrared Analysis

45 – 50

Stack Loss

23 – 30


38 – 44

1.4 There is no known IEC equivalent document.

1.5 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.

1.6 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.

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Book of Standards Volume: 10.02
Developed by Subcommittee: D09.12
Pages: 7
DOI: 10.1520/D3288_D3288M-20
ICS Code: 25.220.50