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Coatings Ingredients
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Coatings Ingredients
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DOWSIL™ 33 Additive

Technical Datasheet | Supplied by Dow
DOWSIL™ 33 Additive by Dow is a water-borne silicone elastomer suspension. Acts as a soft touch and matting agent with mar resistance. Provides unique surface appearance to waterborne coatings to polyurethane plastic, acrylic, and urethane wood coatings and inks. It reduces the coefficient of friction. DOWSIL™ 33 Additive is used in waterborne plastic coatings for automotive interior & electronic casing applications, and in polyacrylic & polyurethane wood varnishes. It has a shelf life of 12 months.
DOWSIL™ 33 Additive
Technical Datasheet | Supplied by Dow
Product Type
  • Scratch / Scrub / Mar Resistance Agents > Silicone-based
  • Surface Conditioners / Surface Modifiers > Matting Agents
  • Soft-touch
Chemical Composition
Silicone elastomer suspension
CAS Number
7440-21-3
Physical Form
Liquid
Appearance
Off-white
Product Status
COMMERCIAL
Applications/ Recommended for
  • Coatings > Waterborne
  • Inks > Water-based
  • Resins > Polyurethanes (PU)
  • Resins > Acrylics & Acrylic Copolymers
  • Inks > Varnishes / Over print varnish
  • Coatings Markets > Plastic coating
  • Coatings Markets > Wood & Furniture Coatings
Bio Based
No

DOWSIL™ 33 Additive Properties

Property

Value & Unit
Test Condition
Test Method
Non-volatile content, 0208 Corporate Test Method
43 - 53 %
Mean particle size, 1100 Corporate Test Method
2 - 4 microns
pH, 007 Corporate Test Method
3 - 8

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