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Synthetic transformer oil

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Synthetic transformer oil
Organic esters based fluid
Property Value in metric unit Value in US unit
Density at 60°F (15.6°C) 0.970 *10³ kg/m³ 60.6 lb/ft³
Kinematic viscosity at 68°F (20°C) 70 cSt 70 cSt
Kinematic viscosity at 212°F (100°C) 5.3 cSt 5.3 cSt
Fire point 322 ºC 612 ºF
Pour Point -60 ºC -76 ºF
Flash point 275 ºC 527 ºF
Autoignition point 438 ºC 820 ºF
Specific heat capacity 1880 J/(kg*K) 0.448 BTU/(lb*ºF)
Thermal conductivity at 20ºC (68ºF) 0.144 W/(m*K) 0.98 BTU*in/(hr*ft²*ºF)
Thermal expansion at 20ºC (68ºF) 7.5*10-4 ºCˉ¹ 4.2*10-4 in/(in* ºF)
Breakdown strength min.75 kV min.75 kV
Dielectric dissipation factor at 90ºC (194ºF) max.0.006 max.0.006
Permitivity at 20ºC (68ºF) 3.2 3.2

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synthetic_transformer_fluid.txt · Last modified: 2023/12/14 by dmitri_kopeliovich
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