Intertape® – Electrical adhesive tapes Intertape® 4237

Intertape® 4237 is a glass filament polyester tape with acrylate adhesive.

High tensile strength glass filaments and conformable PET film coating with an aggressive adhesive for a variety of heavy duty insulating, banding and holding applications. 1.0 mil polyester film provides puncture, edge tear and abrasion resistance. Specially designed and intended for use in oil-filled transformers. Once thermoset, the acrylic adhesive offers superior resistance to chemicals, solvents and aging in addition to excellent dielectric strength and insulation resistance.

Download datasheet

Application

Lead and saddle tie down, banding and bundling motor and transformer coils and coil covering.

Standards

UL-File-No.: E20780
CSA-File: LR94980

Exceeds as one of a very few products available the rigorous requirements of the ASTM D3455 „Test Method for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin“.

Delivery forms

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

Color

Translucent

Glue

Acrylate

Adhesive

One-sided

Storage

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

General
Property Unit of measure  
Type/ Ordering information    Intertape® 4237
Standard colours    Translucent
Backing    Polyester film glass filament reinforced
Backing thickness  mm  0.114
Adhesive    Acrylate thermosetting
Total thickness  mm  0.180
Elongation at break  7
Insulation resistance  MΩ  10^6
Electrolyt. corrosion value    Direct 1.0/A, 1
Thermal class    155 °C (F)
Dielectic strength  kV  5
Tensile strength  N/cm  516
Adhesiveness / Adhesion to steel  N/cm  4.9
UL FILE NO.    E20780