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Dynasylan® 1189

Technical Datasheet | Supplied by Evonik
Dynasylan® 1189 by Evonik is a bifunctional silane. Acts as an adhesion promoter or as a surface modifier. Provides flexural strength, tensile strength, impact strength, modulus of elasticity, improved moisture and corrosion resistance. Offers improvement in adhesion, filler dispersion rheological behavior like reduction in viscosity and higher filler loading. Dynasylan® 1189 is listed in EINECS, TSCA, IECS, ECL.
Product Type
Adhesion Promoters > Organofunctional Silanes
Chemical Composition
CAS Number
Physical Form
slight yellowish
Product Status
Applications/ Recommended for
  • Adhesives
  • Sealants
  • Polymers > Ethylene Co-terpolymers - Solids (EVA, EMA)
  • Polymers > Polyolefins
  • Polymers > Polyurethanes > PU-Prepolymers
  • Polymers > Epoxies (EP)
  • Polymers > Polyamides (PA)
  • Polymers > Silicones (Si)
  • Buildings & constructions
  • Transportation (excl. Automotive)
  • Industrial Assembly
  • Electrical & Electronic Bonding
  • Automotive
Bio Based

Dynasylan® 1189 Properties


Value & Unit
Test Condition
Test Method
Density @ 20°C
0.95 g/cm3
Viscosity @ 20°C
2.5 mPas
Flash point
110 °C

SpecialChem additionnal informations based on CAS Number : 31024-56-3

Hansen Solubility Parameters

[13.9, 4.1, 3]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with Dynasylan® 1189. A practical determination of these HSP values would provide higher certainty. Learn More.

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