SynTape® – Electrical Adhesive Tapes 3M no. 27

3M  electrical insulating tape no. 27 consists of a fibre glass as a backing with a thermosetting latex adhesive.

Elastic, good tear resistance und thermal stability, universal use for thermally stressed insulation (UL-listed to 150 °C). Can be printed.

Download datasheet


As a cable fixing, a cover band on coils and transformers and for terminal and crossover insulation.


RoHS-compliant  in accordance with 2002/96/EU.

Delivery forms

  • Width: from 2.5 mm in 0.1 mm increments
  • Standard lengths: 55 m
  • Core diameter: 76 mm (3")
  • Special widths on request






Adhesive tapes should always be stored in a cool and dry place at approx. 20 °C and 50-60 % relative air humidity. The storage period should not exceed 6 months.

Technical data

Property Unit of measure  
Type/ Ordering information    3M electro-insulating tape no. 27
Standard colours    White
Backing    Glass fibre
Adhesive    Rubber
Total thickness  mm  0.177
Tensile strength  N/cm  252
Elongation at break  5
Adhesiveness / Adhesion to steel  N/cm  3.3
Dielectic strength  kV  3
Thermal class    130 °C/ B
UL FILE NO.    E 17385 OANZ 2