Isotape® – Electrical adhesive tapes Isotape® 4419PV3

Isotape® 4419PV3 is a polyimide tape with silicone adhesive.

Isotape® 4419PV3 is manufactured from 2 mils high performance polyimide film with special silicone adhesive.

  • Excellent mechanical and electrical properties
  • High conformability
  • Good adhesive property, excellent holding and wrapping request
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  • Insulating coils at high temperature
  • Generators
  • Capacitors
  • Transformers

Delivery forms

  • Width: from 2.5 mm in 0.1 mm increments
  • Core diameter: 76 mm (3")
  • Special widths on request


Transparent brown






12 months at room temperature. Adhesive tapes should be stored in a cool, dry place at approx. 20 °C and 50 - 60 % relative humidity. The storage period should not exceed 12 months.

Technical data

Property Unit of measure  
Type/ Ordering information    Isotape® 4419PV3
Standard colours    Transparent brown
Backing    Polyimide film
Backing thickness  mm  0.050
Adhesive    Silicone
Total thickness  mm  0.090
Elongation at break  60
Dielectic strength  kV  6.5
Tensile strength  N/cm  102
Adhesiveness / Adhesion to steel  N/cm  2.8
Temperature range    -73 up to +260 °C
Thermal class    200 °C (N)