PTFE adhesive film materials

ТУ 6-05-041-774-82
Electrical engineering and electronics
Oil and gas production and processing
Chemical industry

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We produce PTFE adhesive film materials of the type F-4EO-EA (Russian code Ф-4ЭО-ЭА). These are electrically insulating oriented film materials made of fluoroplastic-4D and treated by a glow discharge.

PTFE adhesive film materials can be used as protective, anti-friction and anti-adhesive coatings, as well as for slot interlayer and winding insulation.

PTFE adhesive film materials can be stuck together or with any other materials with the aid of epoxy or other types of glue.

Parameters of F-4EO-EA film materials


Tensile strength at break in the longitudinal direction, MPa (kgf/cm2)

50 (510)

Elongation at break in the longitudinal direction, %, not less than

53

Permittivity at 1 MHz

2.0 ± 0.2

Dielectric loss tangent at 1 MHz, not more than

0.0003

Volume resistivity, Ω⋅m (Ω⋅cm), not less than

1*1015 (1*1017)

Electric strength at a constant voltage, MV/m (kV/mm), not less than

160 (160)