SynTape® – Electrical Adhesive Tapes 3M no. 5

3M electro-insulating tape no. 5 is a polyester adhesive tape with acrylate adhesive.

3M electro-insulating tape no. 5 has good resistance to solvents and limited oil resistance. Additional heat curing enhances the resistance.
UL approved up to 130 °C.




Download datasheet


Especially for core and interlayer insulation as well as final insulation of small transformers, taping and insulation of coils and wires. It has good
ageing resistance and is UL approved.

Delivery forms

  • Width: From 2.5 mm, in 0.1 mm increments
  • Standard length: 66 m
  • Core diameter: 76 mm (3“)
  • Special widths on request






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 6 months.

Technical data

Property Unit of measure
Electrolyt. corrosion value 1
Thermal class 130 ° C/ B
Dielectic strength kV 5.5
Adhesiveness / Adhesion to steel N/cm 3.8
Elongation at break % 100
Tensile strength N/cm 44
Adhesive Acrylate
Total thickness mm 0.063
Backing Polyester film
Type/ Ordering information 3M electro-insulating tape no. 5
Standard colours transparent