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

Dow DOWSIL 3 Silicone Additive

Dow DOWSIL 3 is a silicone-based additive from Dow’s DOWSIL series, designed to enhance substrate wetting, leveling, and slip in coatings, inks, and adhesives. It improves surface defect resistance and compatibility with diverse resin systems while maintaining low foam and excellent hydrolytic stability.
  • dow dowsil 3 silicone additive_0e9104a0
  • dow dowsil 3 silicone additive_0e9104a0

Features Of Dow DOWSIL 3 Silicone Additive

  1. Enhances substrate wetting and leveling in solventborne and high-solids coatings.

  2. Reduces surface defects such as craters, orange peel, and pinholes.

  3. Improves slip and mar resistance without compromising intercoat adhesion.

  4. Compatible with a broad range of resins including acrylics, polyurethanes, and alkyds.

  5. Low dosage requirement—typically effective at 0.05–0.3 wt% in final formulation.

Typical Applications Of Dow DOWSIL 3 Silicone Additive

  1. Automotive OEM and refinish coatings.

  2. Industrial maintenance and coil coatings.

  3. Wood and furniture finishes.

  4. Plastic coatings and in-mold release systems.

  5. General-purpose decorative and protective topcoats.

Specifications Of Dow DOWSIL 3 Silicone Additive

Chemical TypeModified polydimethylsiloxane (PDMS)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Specific Gravity (25°C)0.96–0.99 g/cm³
Viscosity (25°C)150–300 mPa·s
SolubilityCompatible with common organic solvents; insoluble in water
Primary ApplicationsSurface additive for coating, ink, and adhesive formulations
Key FeaturesNon-reactive, non-foaming, low migration


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