Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DOW DOWSIL SF-2945 Fluid

DOW DOWSIL SF-2945 Fluid is a high-purity, low-viscosity silicone fluid from Dow’s DOWSIL™ specialty silicones portfolio. Designed for precision applications like lubrication, damping, and dielectric insulation, it offers exceptional thermal stability, hydrophobicity, and chemical inertness. Its consistent molecular weight distribution ensures reliable performance in demanding industrial and electronics manufacturing processes.
  • dow dowsil sf 2945 fluid_4bc8eb56
  • dow dowsil sf 2945 fluid_4bc8eb56

Features Of DOW DOWSIL SF-2945 Fluid

  1. High-performance silicone fluid offering excellent thermal stability across a wide temperature range.

  2. Low volatility and high flash point, supporting safe handling and extended service life in demanding environments.

  3. Superior dielectric properties with low dissipation factor and high volume resistivity.

  4. Chemically inert toward most plastics, elastomers, and metals—minimizing compatibility concerns in complex assemblies.

  5. Consistent viscosity performance under shear and long-term aging conditions.

Typical Applications Of DOW DOWSIL SF-2945 Fluid

  1. Dielectric coolant and heat transfer fluid in high-voltage transformers and power electronics.

  2. Lubricant for precision optical and electro-mechanical components requiring non-migrating, non-staining performance.

  3. Fill fluid for pressure sensors and transducers exposed to extreme thermal cycling.

  4. Base fluid in specialty formulations for thermal interface materials (TIMs) and potting compounds.

  5. Component in aerospace-grade hydraulic and damping fluids where oxidative stability is critical.

Specifications Of DOW DOWSIL SF-2945 Fluid

Chemical TypeLinear polydimethylsiloxane (PDMS)
Product FormClear, colorless liquid
AppearanceTransparent, water-white, odorless
Viscosity @ 25°C (cSt)Approx. 1000
Density @ 25°C (g/cm³)0.97–0.98
Flash Point (COC, °C)≥300
Thermal Stability (onset, TGA, °C)≥320
Dielectric Strength (kV/mm, 2.5 mm gap)≥18


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *