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

DOW DOWSIL OS-10 Fluid

DOW DOWSIL OS-10 Fluid is a high-purity, low-viscosity silicone oil from Dow’s DOWSIL™ portfolio—designed for precision optical applications including lens coatings and AR/VR device assembly. It offers exceptional clarity, thermal stability, and controlled volatility with minimal residue. Widely used in semiconductor and photonics manufacturing for temporary bonding and release.
  • dow dowsil os 10 fluid_9bb58cfe
  • dow dowsil os 10 fluid_9bb58cfe

Features Of DOW DOWSIL OS-10 Fluid

  1. High-purity, low-viscosity silicone fluid with excellent thermal and oxidative stability.

  2. Non-reactive and chemically inert toward most metals, plastics, and elastomers.

  3. Low surface tension and superior spreading/wetting characteristics for uniform coating.

  4. Hydrophobic and moisture-resistant, providing effective barrier protection in demanding environments.

  5. Meets RoHS and REACH compliance requirements for restricted substances.

Typical Applications Of DOW DOWSIL OS-10 Fluid

  1. Lubrication of precision mechanical components including optical encoders and micro-motors.

  2. Dielectric fluid in high-voltage sensors and electronic potting formulations.

  3. Release agent for silicone rubber molding and composite tooling surfaces.

  4. Carrier fluid for specialty additives in personal care and industrial coatings.

  5. Base fluid in formulated lubricants for aerospace and medical device assembly.

Specifications Of DOW DOWSIL OS-10 Fluid

Chemical TypeLinear polydimethylsiloxane (PDMS)
Product FormClear, colorless liquid
AppearanceTransparent, odorless
Viscosity at 25°CApprox. 10 cSt
Density at 25°C0.97 g/cm³
Flash Point (COC)≥300°C
Refractive Index (25°C)1.402–1.404
Volatility (150°C, 24 h)<1.0 wt%


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