| Property | Value |
|---|---|
|
Appearance |
Clear, colorless |
|
Viscosity (25 °C) |
50 mm²/s (cSt) |
|
VTC* |
0.59 |
|
Specific Gravity (25 °C) |
0.96 |
|
Refractive Index (nD²⁵) |
1.402 |
|
Pour Point |
−50 °C (max) |
|
Flash Point |
310 °C |
|
Weight Loss (150 °C, 24h) |
0.3 % |
|
Water Content |
40 ppm |
|
Specific Heat (100 °C) |
1.6×10³ J/(kg·K) |
Momentive TSF 451 50E silicone dielectric fluid is a 50 mm²/s viscosity grade of polydimethylsiloxane fluid, which has been processed and controlled to meet specific electrical specifications. While dimethyl silicone fluids are available in a wide range of viscosities, the 50 mm²/s grade offers an ideal balance of low flammability and strong heat transfer properties. TSF451-50E fluid delivers excellent dielectric, thermal, and chemical performance, making it highly effective as a dielectric coolant for liquid-filled transformers.
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