Name: Evonik Dynasylan OCTEO Octyltriethoxysilane
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Evonik Dynasylan OCTEO Octyltriethoxysilane

Hydrophobic surface modification agent for inorganic substrates such as glass, silica, and metal oxides.
Provides excellent water repellency and improved resistance to moisture-induced degradation.
Enables covalent bonding via hydrolysis and condensation of ethoxy groups under mild acidic or neutral conditions.
Long alkyl (C8) chain ensures durable non-polar surface character and low surface energy.
Compatible with sol-gel systems, coatings, sealants, and functionalized fillers.

Typical Applications Of Evonik Dynasylan OCTEO Octyltriethoxysilane

Water-repellent treatment of architectural glass and solar panel cover glass.
Surface functionalization of silica-based fillers in polymer composites and elastomers.
Key additive in high-performance anti-graffiti and self-cleaning coatings.
Moisture barrier enhancement in encapsulation materials for electronics and LED packaging.
Hydrophobization of aerogels and porous insulation materials.

Chemical Type	Organofunctional alkoxysilane (Octyltriethoxysilane)
Product Form	Liquid
Appearance	Colorless to pale yellow clear liquid
Primary Applications	Surface modification, hydrophobization, coupling agent
Key Features	Hydrolyzable ethoxy groups, C8 alkyl chain, low volatility
Storage Conditions	Store in tightly closed containers at 5–30 °C, protect from moisture
Reactivity	Reacts with surface hydroxyl groups; hydrolyzes in presence of water/catalyst
Regulatory Status	REACH registered; not classified as hazardous per CLP Regulation

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