Silicone Fluids

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Dielectric Silicone Fluids

Dielectric silicone fluids are high-purity polydimethylsiloxane (PDMS) compounds designed for advanced electrical insulation and thermal management. These clear, odorless, and chemically stable fluids offer excellent dielectric strength, low viscosity variation, and broad thermal stability from -80°C to 300°C.

Key Features:

High dielectric strength and electrical insulation
Outstanding thermal and oxidative stability
Low volatility and consistent viscosity over temperature extremes
Chemically inert and compatible with metals, plastics, and elastomers

Ideal for transformers, capacitors, electric cooling systems, and aerospace electronics, dielectric silicone fluids ensure long-lasting performance in critical environments.

Applications: Electrical insulation, thermal transfer, high-voltage systems, and electronic cooling.

Why a Silicone Fluid for Dielectric Applications?

When selecting a dielectric fluid, there are a number of criteria that must be met contingent upon the application. One of the strongest advantages that a silicone fluid has over a fluid such as mineral oil is its much higher thermal stability, flash points and fire points… >> More

Recommended Cyclomethicones

(-80°C - 220°C) Low Temperature Dielectric Silicone Fluids

Low Temperature Dielectric Silicone Fluids (-80°C to 220°C) are clear PDMS fluids with high dielectric strength, low VTC, and ultra-low pour points. Ideal for freeze-drying, heat transfer, and cold-temp electronics.

(-50°C - 230°C) Wide Temperature Dielectric Silicone Fluids

Wide Temperature Dielectric Silicone Fluids (-50°C to 230°C) are clear PDMS fluids with high dielectric strength, thermal stability, and oxidation resistance. Ideal for heat transfer and electrical insulation.

(25°C - 300°C) High Temperature Dielectric Silicone Fluids

High Temp Dielectric Silicone Fluids (25°C–300°C) are clear phenyl silicones with high dielectric strength, thermal stability, and oxidation resistance. Ideal for demanding heat transfer and insulation uses.

RSO-80 Silicone Transformer Oil

RSO-80 Silicone Transformer Oil is a safe, PCB-free dielectric fluid with excellent thermal stability. Ideal for indoor or building-adjacent transformers requiring reliable heat resistance.

Packaging Specifications

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How to Choose Dielectric Silicone Fluids？

Choosing the right dielectric silicone fluid is essential for efficient insulation and thermal stability in electrical systems. These fluids, mainly based on PDMS, offer high dielectric strength, wide temperature resistance, and strong material compatibility.

Selection Tips:

Temperature Range:
 Choose low-temp types (-80°C to 220°C) for cold conditions, wide-temp (-50°C to 230°C) for general use, and high-temp (up to 300°C) for extreme heat.
Viscosity:
 Pick a grade that matches your system’s flow and heat transfer needs.
Material Compatibility:
 Ensure compatibility with metals, rubbers, and plastics to avoid damage.
Dielectric Strength:
 Use high-dielectric fluids for safe, stable electrical performance.

Proper selection ensures long-term reliability and efficiency in demanding environments.