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

DOW DOWSIL SH 190 Fluid

DOW DOWSIL SH 190 Fluid is a high-purity, low-viscosity methylphenylsilicone fluid from Dow’s DOWSIL™ silicone portfolio. It offers exceptional thermal stability, low surface tension, and excellent compatibility with polymers and elastomers—widely used as a lubricant, release agent, or formulation base in industrial, automotive, and electronics applications.
  • dow dowsil sh 190 fluid_78cc01eb
  • dow dowsil sh 190 fluid_78cc01eb

Features Of DOW DOWSIL SH 190 Fluid

  1. High-viscosity, methylphenyl silicone fluid offering excellent thermal stability and low volatility.

  2. Provides outstanding dielectric properties across a wide temperature range (–50 °C to +200 °C).

  3. Chemically inert with resistance to oxidation, UV radiation, and many common solvents.

  4. Low surface tension and high lubricity, enabling uniform film formation and reduced friction.

  5. Non-toxic, non-corrosive, and compatible with most elastomers and plastics.

Typical Applications Of DOW DOWSIL SH 190 Fluid

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

  2. Lubricant for precision instruments, optical assemblies, and vacuum system components.

  3. Base fluid in specialty greases for extreme-temperature or high-vacuum environments.

  4. Formulation ingredient for release agents, antifoams, and silicone-based functional coatings.

  5. Thermal interface material (TIM) carrier fluid in electronics thermal management systems.

Specifications Of DOW DOWSIL SH 190 Fluid

Chemical TypeMethylphenyl polysiloxane fluid
Product FormClear, colorless liquid
AppearanceTransparent, slightly viscous liquid
Primary ApplicationsDielectric fluid, thermal transfer medium, lubricant base, formulation carrier
Key FeaturesHigh thermal stability, low volatility, excellent dielectric strength, hydrophobic
BenefitsExtended service life under thermal stress, minimal evaporation loss, reliable insulation performance
Specific Gravity (25 °C)Approx. 1.04–1.08 g/cm³
Flash Point (COC)≥ 300 °C


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