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

Evonik Dynasylan F8261 Fluorinated Silane Coupling Agent

Evonik Dynasylan F8261 is a high-performance bifunctional fluorinated silane coupling agent engineered to deliver exceptional hydrophobic and oleophobic surface properties. This advanced formulation combines hydrolyzable ethoxysilane groups with a specialized fluorocarbon chain, creating nanometer-thick protective networks through covalent bonding with various substrates while maintaining excellent solvent compatibility

Features Of Evonik Dynasylan F8261 Fluorinated Silane Coupling Agent

  1. Dual Reactive Functionality - Ethoxysilane and fluorocarbon groups for superior surface modification

  2. Ultra-Low Surface Energy - Exceptional water and oil repellency characteristics

  3. Permanent Covalent Bonding - Chemically stable attachment to hydroxylated substrates

  4. Nanoscale Network Formation - Creates thin yet highly effective protective layers

  5. Broad Solvent Compatibility - Excellent solubility in various industrial solvents

Typical Applications Of Evonik Dynasylan F8261 Fluorinated Silane Coupling Agent

  1. Automotive Glass Treatment - Water-repellent coatings for windshields and windows

  2. Architectural Glass Protection - Easy-clean, anti-UV coatings for building glazing

  3. Fluoropolymer Adhesion - Bonding promoter for PTFE and fluorosilicones

  4. Surface Modification - Hydrophobic treatments for ceramics and minerals

  5. Specialty Coatings - Advanced nano-coatings for optical applications

Specifications Of Evonik Dynasylan F8261 Fluorinated Silane Coupling Agent

Chemical NameTridecafluorooctyltriethoxysilane
AppearanceColorless liquid
OdorCharacteristic silane odor
FunctionalityBifunctional silane
Reactive GroupsEthoxysilane + Fluorocarbon
Surface Tension< 15 mN/m
Water Contact Angle> 110°
Solvent CompatibilityEthanol, Acetone, Xylene, Ethyl acetate
Recommended DilutionUp to 25% in solvents
Storage Stability24 months in sealed container


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