Name: Evonik Dynasylan SILFIN 71 Vinylsilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan SILFIN 71 Vinylsilane

High-purity vinyltrimethoxysilane with optimized hydrolytic stability for controlled reactivity.
Excellent coupling efficiency between inorganic fillers (e.g., silica, glass) and organic polymer matrices.
Enables enhanced mechanical properties including tensile strength, elongation at break, and abrasion resistance in filled elastomers.
Low volatility and favorable handling characteristics under standard industrial processing conditions.
Compatible with peroxide-cured and high-temperature vulcanization (HTV) silicone rubber systems.

Typical Applications Of Evonik Dynasylan SILFIN 71 Vinylsilane

Silica-reinforced high-performance silicone rubber for automotive seals and gaskets.
Filler surface treatment in HTV and liquid silicone rubber (LSR) formulations.
Adhesion promotion in silicone-based sealants and adhesives for glass and metal substrates.
Reinforcement aid in specialty cable jacketing compounds requiring electrical insulation and thermal stability.
Surface modification of mineral fillers used in flame-retardant silicone composites.

Chemical Type	Vinyltrimethoxysilane
Product Form	Liquid
Appearance	Clear, colorless to pale yellow liquid
Density (20 °C)	Approx. 0.965–0.975 g/cm³
Refractive Index (20 °C)	1.392–1.398
Flash Point (PMCC)	Approx. 45 °C
Storage Stability	≥12 months in sealed containers at 5–30 °C
Key Functional Group	Vinyl (CH₂=CH–) and methoxy (–OCH₃)

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E-mail: wangxingqiang@ericwchem.com
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