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STANDARDIZATION OF MAGNET WIRE (TWO TYPES) FOR USE AT 500 C (932 F)
ANACONDA WIRE AND CABLE CO MUSKEGON MICH
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Firing techniques require that fine wire be fired in a vacuum in order that the wire conductor not be affected by oxidation. The firing cycle for larger sized wires is done in air with 5 to 30 min exposures at 500 and 675 C with breakdown strengths of 1000 vmil. The initial physical properties of the enameled wire as well as the shelf aging problem can be improved to acceptable levels by proper choice of resin and a graduated reduction in glass content. Moisture-proofing of coils depends on the continuity of a treating glass applied after a coil has been fired. Both fiber-served and enameled wire have been made on a semi-production scale by semi-skilled personnel utilizing only standard methods and procedures. Author
APPROVED FOR PUBLIC RELEASE