Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik Dynasylan SILFIN 63 Vinylsilane

Evonik Dynasylan SILFIN 63 Vinylsilane is a high-purity vinyl-functional silane coupling agent from Evonik’s Dynasylan® series. It enhances adhesion between organic polymers and inorganic substrates like glass, silica, or minerals—widely used in rubber compounding, RTV silicones, and mineral-filled composites for improved mechanical strength and moisture resistance.
  • evonik dynasylan silfin 63 vinylsilane_9dcd3c28
  • evonik dynasylan silfin 63 vinylsilane_9dcd3c28

Features Of Evonik Dynasylan SILFIN 63 Vinylsilane

  1. High-purity vinyltrimethoxysilane with optimized hydrolytic stability for consistent performance in demanding formulations.

  2. Excellent coupling efficiency between inorganic fillers (e.g., silica, glass) and organic polymer matrices such as polyolefins and elastomers.

  3. Enables covalent bonding during compounding or curing, significantly improving mechanical strength and moisture resistance of composites.

  4. Low volatility and favorable handling characteristics compared to chlorosilane alternatives, supporting safer industrial processing.

  5. Compatible with free-radical polymerization systems, making it ideal for use in peroxide-cured rubber and silane-crosslinked polyethylene (PE-Xb).

Typical Applications Of Evonik Dynasylan SILFIN 63 Vinylsilane

  1. Silane crosslinking of polyethylene for hot-water pipes and radiant floor heating systems (PE-Xb).

  2. Surface modification of mineral fillers and reinforcing agents in thermoplastic composites and masterbatches.

  3. Adhesion promotion in glass fiber-reinforced plastics (GFRP) and tire cord adhesion systems.

  4. Moisture-curable sealants and adhesives based on silane-terminated polymers (STPs).

  5. Functionalization of silica nanoparticles for high-performance elastomer compounds.

Specifications Of Evonik Dynasylan SILFIN 63 Vinylsilane

Chemical TypeVinyltrimethoxysilane
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Primary ApplicationsSilane crosslinking, filler coupling, adhesion promotion
Key FeaturesCoupling agent, crosslinker, surface modifier
BenefitsEnhanced composite strength, improved moisture resistance, superior filler dispersion
Molecular Weight178.3 g/mol
Boiling Point (at 1013 hPa)155–157 °C


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *