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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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DOWSIL™ US-CF 2403 Resin

Technical Datasheet | Supplied by Dow
DOWSIL™ US-CF 2403 Resin by Dow is a methylmethoxy siloxane with methyl silsesquioxane. It is a solvent-less, low molecular weight reactive alkoxy-siloxane resin. Exhibits resistance to high heat, high hardness and stains. Provides an isocyanate-free, room temperature cure without the addition of tin. Possesses high reactivity and low surface energy. Offers low surface tension and good wetting properties. Improves physical performance of paints and coatings. Shows compatibility with itself, silver aluminum flakes and organic resins containing hydroxyl groups in presence of ambient moisture. Beneficial in showing low weight loss at high temperatures of cured films. It can be used in cases where flexibility is not a priority and ambient cure is an advantage. Used in clear and pigmented formulations for the protection of metals, glass and stones. Clear coats can also be applied to wood substrates including beech, oak, ash, mahogany, cherry and beech to prevent water uptake. Potential applications of DOWSIL™ US-CF 2403 Resin include coatings for ovens, wood-burning stoves, chemical processing units and industries. When catalyzed with titanates, it can be formulated into ambient tack-free coatings. Complies with OSHA, TSCA and EPA. It has a usable life of 24 months.

DOWSIL™ US-CF 2403 Resin

Technical Datasheet | Supplied by Dow
Product Type
Silicones & Silazanes > Methoxy-functional
Chemical Composition
Methylmethoxy siloxane with methyl silsesquioxane
CAS Number
Physical Form
Clear, Colorless to light straw
Product Launch Date
Jun 11, 2013
Product Status
Applications/ Recommended for
  • Coatings > Solvent-Free/ High-Solids
  • Coatings Markets > Other industries > Glass Coatings
  • Coatings Markets > Wood & Furniture Coatings
  • Coatings Markets > Machinery / Equipments
  • Coatings Markets > Metals
  • Machinery/Equipments>> Ovens Wood-burning stoves, Stone coatings, Wood & Furniture coatings>> Beech, Wood & Furniture coatings>> Oak, Wood & Furniture coatings>> Ash, Wood & Furniture coatings>> Mahogany, Wood & Furniture coatings>> Cherry

DOWSIL™ US-CF 2403 Resin Properties


Value & Unit
Test Condition
Test Method
Viscosity @ 25°C, Corporate Test Method 0004
< 35 cSt
Specific gravity @ 25°C, Corporate Test Method 0001A
Molecular weight, Corporate Test Method 0553
< 1000

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