Name: Evonik Dynasylan SILFIN 22 Vinylsilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan SILFIN 22 Vinylsilane

Reactive vinyl functionality enables covalent bonding to organic polymers during curing or compounding.
Hydrolyzable ethoxy groups provide strong adhesion to inorganic substrates such as glass, silica, and metal oxides.
Low volatility and high hydrolytic stability ensure safe handling and extended shelf life under recommended storage conditions.
Designed for efficient dispersion in aqueous and solvent-based systems without requiring pre-hydrolysis.
Enhances mechanical properties—including tensile strength, elongation at break, and moisture resistance—in filled polymer composites.

Typical Applications Of Evonik Dynasylan SILFIN 22 Vinylsilane

Adhesion promoter in rubber-to-metal bonding for automotive hoses and vibration dampers.
Surface modifier for silica-filled silicone and EPDM compounds used in high-performance seals and gaskets.
Functional additive in glass fiber sizing formulations for thermoset and thermoplastic composites.
Performance enhancer in mineral-filled polyolefin masterbatches for improved filler-matrix compatibility.
Key ingredient in silane-crosslinked polyethylene (PE-Xb) cable insulation and pipe materials.

Chemical Type	Vinyltrialkoxysilane (vinyltriethoxysilane)
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Density (20 °C)	0.93–0.94 g/cm³
Refractive Index (20 °C)	1.398–1.402
Boiling Point (1013 hPa)	210–220 °C
Solubility	Miscible with common organic solvents (e.g., ethanol, acetone, toluene); partially hydrolyzable in water
Storage Stability	≥12 months in tightly sealed container at 5–30 °C

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