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

DOW DOWSIL SF 8427 Fluid

DOW DOWSIL SF 8427 Fluid is a low-viscosity, vinyl-terminated polydimethylsiloxane (PDMS) from Dow’s DOWSIL silicone fluid series—designed for high-performance addition-cure silicone formulations requiring excellent thermal stability, low compression set, and precise rheology control in RTV, LSR, and encapsulation applications.
  • dow dowsil sf 8427 fluid_d4bae0fc
  • dow dowsil sf 8427 fluid_d4bae0fc

Features Of DOW DOWSIL SF 8427 Fluid

  1. High-purity, low-volatility silicone fluid designed for precision release and surface treatment applications.

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

  3. Low surface tension and superior substrate wetting on metals, plastics, and elastomers.

  4. Non-reactive, non-corrosive, and compatible with common industrial coatings and adhesives.

  5. Meets RoHS Directive 2011/65/EU and is not classified as hazardous under GHS for transport or handling.

Typical Applications Of DOW DOWSIL SF 8427 Fluid

  1. Release agent for rubber and thermoplastic molding, including EPDM, silicone, and TPE compounds.

  2. Surface conditioner for automotive interior trim components to reduce friction and improve assembly glide.

  3. Temporary lubricant in precision assembly of electronic enclosures and sensor housings.

  4. Processing aid in extrusion and calendering of silicone elastomers and fluoropolymers.

  5. Component in formulated specialty lubricants for medical device manufacturing equipment.

Specifications Of DOW DOWSIL SF 8427 Fluid

Chemical TypeMethylphenyl silicone fluid
Product FormClear, colorless liquid
AppearanceTransparent, odorless, non-viscous fluid
Primary ApplicationsRelease agent, surface modifier, temporary lubricant
Key FeaturesThermally stable, low volatility, non-staining, inert
BenefitsReduces mold fouling, improves part ejection, extends tool life
Storage ConditionsStore in original sealed container at 15–25 °C; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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