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.


RoHS compliant according to 2011/65/EU.

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  
Type/ Ordering information    3M electro-insulating tape no. 5
Standard colours    transparent
Backing    Polyester film
Adhesive    Acrylate
Total thickness  mm  0.063
Tensile strength  N/cm  44
Elongation at break  100
Adhesiveness / Adhesion to steel  N/cm  3.8
Dielectic strength  kV  5.5
Thermal class    130 ° C/ B
UL FILE NO.    E 17385 OANZ 2
Electrolyt. corrosion value    1