Isotape® – Electrical adhesive tapes Isotape® 4238PV3

Isotape® 4238PV3 is a glass fiber reinforced polyester tape with acrylate adhesive.

Download datasheet


UL-File-No.: E315249

Delivery forms

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








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.

Punched parts, bent & formed parts

We offer a wide range of punched and formed parts: Rolls, individual parts unsorted, sorted or stacked, adhesive on one or both sides, non-adhesive, with or without a grip tab.


More about punched parts

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Technical data

Property Unit of measure
Type/ Ordering information Isotape® 4238PV3
Standard colours Translucent
Backing Glass fiber reinforced polyester
Backing thickness mm 0.130
Adhesive Acrylate
Total thickness mm 0.180
Elongation at break % 10
Thermal class 155 °C (F)
Dielectic strength kV 6.0
Tensile strength N/cm 392
Adhesiveness / Adhesion to steel N/cm 4.68
UL FILE NO. E315249