ASTM D3353-18(2024)

Podrobné informácie

Označenie: ASTM D3353-18(2024)

Dátum vydania: 01.03.2024

Stránok: 8

Krajina: Americká technická norma

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Anotácia

These test methods cover the testing of fibrous-insulated electrical conductors, commonly referred to as magnet wire, which are used in electrical apparatus. The test methods are intended primarily for evaluation of the electrical insulating materials used. It is intended that these test methods be used, except where modified by individual specifications for particular applications. This elongation testing method covers the determination of the elongation of fibrous insulated magnet wire that results in a fracture of the conductor. The electrical resistance testing method covers the determination of the electrical resistance of fibrous insulated magnet wire conductors. The fibrous coverage testing method covers the determination of the quality of fibrous servings on round magnet wire or bare conductor. The measurement of dimensions test methods determine the dimensions of the bare or film insulated conductor and the fibrous-insulated magnet wire. The adhesion and flexibility test method covers the evaluation of the flexibility and adherence of varnished fibrous glass, and varnished or unvarnished fibrous polyester-glass insulating material on either bare conductor, or film-insulated magnet wire. The dielectric breakdown voltage test method covers the determination of the dielectric breakdown voltage in air of insulation on round, rectangular, and square wires at commercial power frequencies.


Keywords:
fiber-covered, fibrous coverage, fibrous insulated, fibrous insulation, fibrous tape insulation, glass fiber, magnet wire, polyester-glass fiber, serving, varnish,, ICS Number Code 29.060.10 (Wires)