Magnet Wire

Kapton enamels

Kapton is ideal for demanding magnet wire applications and for difficult-to-wind motors.

kapton

Kapton is a multi-layer polyimide & fluoropolymer dispersion-coated film. The fluoropolymer coating functions as a heat-fusible layer for bonding to magnet wire conductors. It has superior scrape abrasion resistance and exhibits lower frictional properties than wire insulated with other commonly used polyimide materials.  Kapton® FWN is ideal for demanding magnet wire applications and for difficult-to-wind motors.

Applications:
Magnet wire
Traction motors used in rail, auto, and mining
Industrial motor insulation
Wind, hydro generators

TYPICAL PROPERTIES  Kapton POLYIMIDE FILM AT 23°C (73°F)

PROPERTY 120FWN616B 150FWN019 TEST METHOD
Thickness, mil (µm) (µm) 1.30 1.50 ASTM D374)
Tensile Strength, kpsi (MPa); kpsi (MPa) 30 (207) 27 (186) ASTM D882
Elongation, % 95 85 ASTM D882
Dielectric Strength, V/mil 6400 4700 ASTM D149

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