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Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Dynasylan® 1146

Technical Datasheet | Supplied by Evonik
Dynasylan® 1146 is a diaminofunctional silane by Evonik. Acts as an adhesion promoter. Exhibits very good wetting on substrates and forms weather- and moisture-resistant bonds to substrates with difficult adhesion properties. Provides improvement in elongation and modulus. Used in adhesives and sealants to improve adhesion of amino-reactive resins such as silicones (RTV), two-part urethanes, silylated urethanes, MS polymers, two-part epoxies to inorganic surfaces, plastic surfaces, as well as inorganic fillers. Dynasylan® 1146 is listed on EINECS/ELINCS, TSCA, IECS and ECL. It has a minimum shelf life of 12 months.
Product Type
Adhesion Promoters > Organofunctional Silanes
Chemical Composition
Oligomeric diaminofunctional silane
Physical Form
Light straw
Product Status
Applications/ Recommended for
  • Adhesives
  • Sealants
  • Polymers > Polyurethanes > Polyols
  • Polymers > Epoxies (EP)
  • Polymers > Silicones (Si)
  • Polymers > Polychlorovinyls (PVC, PVDC) > Polyvinyl Chlorides (PVC)
Bio Based
Labels/Agency Rating

Dynasylan® 1146 Properties


Value & Unit
Test Condition
Test Method
Density@ 20°C, DIN 51757
1.06 g/cm3
Viscosity @ 20°C, DIN 53015
35 mPa.s
Flash Point, EN 22719
> 60 °C

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