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

DOWSIL 8500 Silicone Fluid

DOWSIL 8500 Silicone Fluid is a high-purity, low-viscosity methylphenyl silicone oil from Dow’s DOWSIL™ silicone fluid series. Designed for thermal stability and electrical insulation, it excels in heat-transfer fluids, damping oils, and specialty lubricants. Offers excellent low-temperature performance, oxidative resistance, and compatibility with plastics and elastomers. Widely used in automotive, electronics, and industrial applications.
  • dowsil 8500 silicone fluid_ef020c82
  • dowsil 8500 silicone fluid_ef020c82

Features Of DOWSIL 8500 Silicone Fluid

  1. High thermal stability with continuous service temperature range from –50 °C to +200 °C

  2. Low surface tension and excellent spreading/wetting characteristics on diverse substrates

  3. Hydrophobic and chemically inert—resistant to water, ozone, UV radiation, and oxidation

  4. Non-volatile and low volatility under standard processing conditions (ASTM D2879)

  5. Compatible with common elastomers, plastics, and coatings used in industrial assembly

Typical Applications Of DOWSIL 8500 Silicone Fluid

  1. Lubrication of precision mechanical components in automotive and aerospace systems

  2. Release agent for silicone rubber, polyurethane, and epoxy molding operations

  3. Dielectric fluid in high-voltage transformers and electronic potting formulations

  4. Base fluid in specialty greases for extreme-temperature bearing applications

  5. Surface treatment additive to enhance slip, abrasion resistance, and moisture barrier performance

Specifications Of DOWSIL 8500 Silicone Fluid

Chemical TypeLinear polydimethylsiloxane (PDMS)
Product FormClear, colorless liquid
AppearanceWater-white, transparent, odorless
Viscosity (25 °C, cSt)5,000 ± 10%
Density (25 °C, g/cm³)0.96–0.97
Refractive Index (25 °C)1.402–1.405
Flash Point (COC, °C)≥300
Volatility (150 °C, 24 h, wt%)<1.0


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