World Class in Polyester Film
Electrical Applications

Electrical Film
Hostaphan® for electrical insulation

With its flexibility and performance characteristics, it can accommodate a variety of uses.

  • Transformer insulation films
  • Membrane touch switches (computer and calculator keyboards)
  • Flexible printed circuit films
  • Flat cables

The physical properties of polyester film have made it the preferred material for the electrical market.

  • Dimensional stability
  • Thermal stability at elevated temperatures
  • Coefficient of friction
  • Tensile break strength
  • Tensile yield strength
  • Elongation at break
  • Chemical and electrical resistance
  • High dielectric constant
  • Lower extractable content
  • High electrical breakdown voltage