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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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DOWSIL™ 8603 Additive

Technical Datasheet | Supplied by Dow
DOWSIL™ 8603 Additive by Dow is a silica containing silicone dispersion. Acts as a defoamer/ antifoaming agent. It performs well at low dosage level and has a low tendency to cause surface defects. Used in water-borne interior wall paints & flexographic and gravure inks. DOWSIL™ 8603 Additive is applicable for acrylic styrene emulsion, polyester acrylic, and acrylic modified alkyd coatings. Conforms to TSCA regulation.
DOWSIL™ 8603 Additive
Technical Datasheet | Supplied by Dow
Product Type
Defoamers / Anti-foaming Agents > Silicone-based
Chemical Composition
Silica containing silicone dispersion
Physical Form
Clear to slightly hazy, colorless to light amber
Product Launch Date
Nov 26, 2014
Product Status
Applications/ Recommended for
  • Coatings > Waterborne
  • Inks > Water-based
  • Resins > Polyesters
  • Resins > Alkyd Resins
  • Resins > Acrylics & Acrylic Copolymers
  • Inks > Gravure
  • Inks > Flexographic inks
  • Coatings Markets > Architectural / Decorative > Interior wall coatings
Labels/Agency Rating

DOWSIL™ 8603 Additive Properties


Value & Unit
Test Condition
Test Method
Viscosity @ 25°C
900 - 3600 mPa.s
Specific gravity @ 25°C
0.99 - 1.03
Active content
100 %

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