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Adhesives Ingredients
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Adhesives Ingredients
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Dynasylan® A

Technical Datasheet | Supplied by Evonik
Dynasylan® A by Evonik is a low viscosity tetraethylorthosilicate. Used as a crosslinker in silicone rubber systems and as drying agent in sealing compositions. Provides improved chemical and thermal stability. Silicic acid in usually obtained by hydrolysis, or thermally by condensation at elevated temperature. The resulting silicic acid bonds well to many inorganic substrates and can be deposited in situ in a controlled manner. The surfaces of glass, metals, pigments, fillers and synthetic fibres can be coated with a very thin silicon dioxide layer in order to improve chemical and thermal stability and mechanical properties. It is registered with REACH, AICS, EINECS/ ELINCS, DSL/ NDSL, PICCS, TSCA, IECS, ENCS and ECL. Dynasylan® A has a shelf life of 12 months.
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Product Type
Crosslinking / Curing / Vulcanizing Agents > Silanes
Chemical Composition
Tetraethylorthosilicate
CAS Number
78-10-4
SpecialChem additionnal informations based on CAS Number : 78-10-4

Hansen Solubility Parameters

[13.6, 3.4, 3]
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[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® A. A practical determination of these HSP values would provide higher certainty. Learn More.

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