ASTM D4880 - 14

    Standard Test Method for Salt Water Proofness of Insulating Varnishes Over Enamelled Magnet Wire

    Active Standard ASTM D4880 | Developed by Subcommittee: D09.01

    Book of Standards Volume: 10.02


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    Significance and Use

    4.1 This test method is useful in determining the performance of varnishes over enamelled magnet wire when subjected to the specified sodium chloride solution. It is useful in evaluating the resistance of varnished magnet wire to a diluted sodium chloride solution under applied voltage.

    1. Scope

    1.1 This test method covers the electrical performance in a specified water solution of an insulating varnish applied over enamelled magnet wire.

    1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered 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. Specific precautionary statements are given in Section 6.

    Note 1There is no IEC method equivalent to this standard.


    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

    D1676 Test Methods for Film-Insulated Magnet Wire

    D1711 Terminology Relating to Electrical Insulation


    ICS Code

    ICS Number Code 29.035.60 (Varnished fabrics)

    UNSPSC Code

    UNSPSC Code 26121509(Magnet wire); 31211707(Varnishes)


    DOI: 10.1520/D4880

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