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SynProf – FRP Profiles


Glass-fibre-profiles connected with insulating tapes.


Glass-fibre-duct-spacing-mats are a cost effective cooling channel solutions with free selectable / adjustable distances of single profiles. Also different profile-shapes can be used in one mat.


Glass-fibre-duct-spacing-mats are used in transformer and coils with cooling channels. They can be used in automated winding processes.


Insulating material class H (180 °C)
RoHS-compliant acc. to 2011/65/EU

Delivery forms

Length: Up to 25 m
Width: Up to 3000 mm

Also deliverable in kits.



  • dogbone
  • square
  • round

Insulating tapes:

  • SynTherm® YT510
  • NOMEX®
  • SynTherm® DMD
  • SynTherm® APA
  • SynTherm® NPN
  • MYLAR® A

Other materials on request.

Technical data
Casting resin  Reinforcement  Fibre content  Specific weight  Bending strength  Bending strength E-Module  Tensile strength  Compressive strength  Dielectric constant  Specific resistance  CTI  1-Min.-voltage test  Coefficient of expansion  Water absorption  Heat conductivity  Thermal class 
Unit of measure  
  Polyester / Epoxy
> 60
g/cm³  > 1.85
N/mm²  480
N/mm²  35x10^3
N/mm²  450
N/mm²  240
  apprx. 4
Ωxcm  10^12
  KC 600
kV/mm  8
K-1  10-15^-6
< 5
W/m*K  0.3
  H (180 °C)

Nomex®, Kapton®, KAPTON® are registered trademarks of E.I. Du Pont de Nemours and Company.
SynTherm® is a registered trademark of SynFlex.
Mylar®, Melinex® sind eingetragene Marken von DuPont Teijin Film U.S., Ltd. Partnership.