SynTape® – Electrical Adhesive Tapes SynTape® F/ RX.50

SynTape®  F/ RX.50 consists of a glass fibre reinforced Nomex® paper as a backing with a rubber adhesive.

It has good mechanical loading capacity and flexibility thanks to its additional reinforcement with polyester fibres. UL-approved to 155 °C.

Download datasheet


For electrical insulation at high thermal loads and as final insulation.


RoHS compliant according to 2002/96/EU.

Delivery forms

  • Width: from 2.5 mm in steps of 0.1 mm
  • Standard lengths: 50 m rolls
  • Core diameter: 76 mm (3")
  • Special widths on request






6 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 6 months.

Technical data

Property Unit of measure  
Type/ Ordering information    RX.50
Standard colours    cream
Backing    Nomex® glass fibre reinforced
Backing thickness  mm  0.125
Adhesive    rubber
Total thickness  mm  0.160
Tensile strength  N/cm  80
Elongation at break  5
Adhesiveness / Adhesion to steel  N/cm  5.0
Dielectric strength  kV  2.5
Thermal class    155 °C (F)
UL FILE NO.    E 178 430