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Silicon transformer oil

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Silicon transformer oil
Polydimethylsiloxane based fluid
Property Value in metric unit Value in US unit
Density at 60°F (15.6°C) 0.960 *10³ kg/m³ 59.9 lb/ft³
Kinematic viscosity at 68°F (20°C) 55 cSt 55 cSt
Kinematic viscosity at 212°F (100°C) 15 cSt 15 cSt
Fire point min.350 ºC min.662 ºF
Pour Point max.-50 ºC max.-58 ºF
Flash point min.300 ºC min.572 ºF
Autoignition point 435 ºC 815 ºF
Specific heat capacity 1510 J/(kg*K) 0.360 BTU/(lb*ºF)
Thermal conductivity at 20ºC (68ºF) 0.15 W/(m*K) 1.019 BTU*in/(hr*ft²*ºF)
Thermal expansion at 20ºC (68ºF) 10.4*10-4 ºCˉ¹ 5.8*10-4 in/(in* ºF)
Breakdown strength 50 kV 50 kV
Dielectric dissipation factor at 90ºC (194ºF) max.0.001 max.0.001
Permitivity at 20ºC (68ºF) 2.7 2.7

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