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

DOW DOWSIL SF 2904 Fluid

DOW DOWSIL SF 2904 Fluid is a high-purity, low-viscosity silicone fluid from Dow’s DOWSIL™ specialty silicones portfolio. Designed for precision applications like thermal interface materials and optical coatings, it offers excellent thermal stability, low volatility, and consistent rheology. Its inertness and compatibility with diverse substrates make it ideal for electronics, automotive, and aerospace sectors requiring reliable performance under demanding conditions.
  • dow dowsil sf 2904 fluid_a05d4f18
  • dow dowsil sf 2904 fluid_a05d4f18

Features Of DOW DOWSIL SF 2904 Fluid

  1. Highly stable, low-viscosity silicone fluid based on polydimethylsiloxane (PDMS) chemistry.

  2. Excellent thermal stability and oxidative resistance across a broad temperature range (–50 °C to +200 °C).

  3. Low surface tension and superior spreading characteristics for uniform film formation.

  4. Non-volatile, non-toxic, and compliant with major global regulatory frameworks including FDA 21 CFR 175.300 and EU Regulation (EC) No 1935/2004.

  5. Compatible with common elastomers, plastics, and coatings—enabling seamless integration into multi-material systems.

Typical Applications Of DOW DOWSIL SF 2904 Fluid

  1. Lubricant and release agent in precision rubber and plastic molding operations.

  2. Base fluid in high-performance dielectric coolants for power electronics and EV battery thermal management systems.

  3. Carrier fluid in silicone-based functional coatings for anti-stick, water-repellent, and abrasion-resistant surfaces.

  4. Formulation component in specialty personal care emulsions requiring sensory enhancement and skin compatibility.

  5. Processing aid in adhesive and sealant manufacturing to improve flow, degassing, and substrate wetting.

Specifications Of DOW DOWSIL SF 2904 Fluid

Chemical TypeLinear polydimethylsiloxane (PDMS)
Product FormClear, colorless liquid
AppearanceWater-white, transparent, and homogeneous
Viscosity (25 °C, cSt)1,000 ± 100
Density (25 °C, g/cm³)0.97 ± 0.01
Flash Point (Cleveland Open Cup, °C)≥ 300
Volatile Content (150 °C, 2 hrs, wt%)< 0.5
Refractive Index (25 °C)1.403 ± 0.002


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