CHARACTERISTIC OF TRANSFORMER OIL INSULATOR
specific gravity g/cm3 0.9
Burn Point °C 130-180
Heat conductivity mW/cm °C 1.6
Resistively - cm 85 °C 100×1012
Dissipation Factor 80 °C 10×10-4
Strength to rated voltage at 20
°C kV/mm
10-25
Permittivity r (50 Hz) 2 – 2.5
viscosity ( ppm ) 50
inflation (20 – 100 °C ) 7×10-4 rc