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

Evonik Dynasylan OCTEO Silane Coupling Agent

Evonik Dynasylan OCTEO is a monofunctional medium-chain alkylsilane Silane coupling agent featuring a unique hydrophobic octyl group. This colorless, low-viscosity liquid enhances water repellency and compatibility in various applications. Easily soluble in non-polar solvents, it provides excellent surface modification for inorganic materials and pigments while improving dispersion in polymer systems.

Features Of Evonik Dynasylan SIVO 203 Silane Coupling Agent

  1. Enhanced Adhesion - Improves bonding to difficult substrates and plastic surfaces

  2. Superior Wettability - Provides excellent surface wetting and spreading characteristics

  3. Reduced Discoloration - Minimizes yellowing effects in final applications

  4. Weather Resistance - Enhances durability against environmental conditions

Typical Applications Of Evonik Dynasylan SIVO 203 Silane Coupling Agent

  1. Sealant Formulations - Silane-modified polyurethanes and RTV silicones

  2. Adhesive Systems - Two-component epoxy and polyurethane adhesives

  3. Surface Primers - Pre-treatment for difficult-to-bond plastic substrates

  4. Coating Additives - Enhanced adhesion in protective coating systems

  5. Glass Fiber Treatment - Improved interfacial bonding in composites

Specifications Of Evonik Dynasylan SIVO 203 Silane Coupling Agent

Chemical Name3-Aminopropyltrimethoxysilane
CAS No.13822-56-5
AppearanceLight yellow solution
Active Content≥97%
Density (25°C)1.02-1.05 g/cm³
Refractive Index1.420-1.425


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