SynParts – Special Components & Accessoires Core cooling duct

These core cooling ducts are state-of-the-art products applied to cores of oil-filled transformers. Advantages over systems used in the past are more effective heat dissipation by multi-directional oil flow.

Aramide paper comprised with spacers made of silicate ceramic.

Download datasheet


Transformer construction, esp. transformers with oil core


RoHS-compliant acc. to 2011/65/EC


Synthetic electro-insulation paper constructed of a calandered, aromatic polyamide fibride flock composition. See technical data sheet SynTherm® YT510.

Technical data

Property Unit of measure Silicate ceramics  Adhesive  Test method 
Dielectric strength  kV/mm  20    
Compressive strength  N/mm²  900    
Coefficient of expansion  K-1  7-9    
Heat conductivity  W/m*K  2-3    
Max. application temperature  °C  1200    
pH-value: at 20  °C    6 DIN 38404
Boiling point  °C    100 H.B. Fuller
Flashpoint  °C    73  
self-flammable  °C    nein  
Danger of explosion      nein  
Density at 20 °C  g/cm³    1.07 DIN 53217