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.

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

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