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

Evonik Dynasylan SIVO 111 Hydro-oleophobic Modifier

Evonik Dynasylan SIVO 111 is a hydro-oleophobic surface modifier based on reactive silane technology. It imparts durable water and oil repellency to mineral substrates like concrete, stone, and mortar without altering appearance or breathability. Designed for construction and protective coatings, it enhances durability against weathering and staining while maintaining substrate vapor permeability.
  • evonik dynasylan sivo 111 hydro oleophobic modifier_8e966e55
  • evonik dynasylan sivo 111 hydro oleophobic modifier_8e966e55

Features Of Evonik Dynasylan SIVO 111 Hydro-oleophobic Modifier

  1. Delivers durable hydrophobic and oleophobic surface protection on inorganic substrates.

  2. Enables low surface energy coatings with excellent resistance to water, oils, and common organic solvents.

  3. Forms covalently bonded, thermally stable monolayers via silanol condensation with hydroxylated surfaces.

  4. Compatible with aqueous and alcoholic solvent systems for flexible formulation integration.

  5. Reduces surface adhesion of contaminants, supporting self-cleaning and anti-fouling performance.

Typical Applications Of Evonik Dynasylan SIVO 111 Hydro-oleophobic Modifier

  1. Glass and ceramic coatings for architectural façades and automotive glazing.

  2. Functionalization of silica-based fillers and pigments in high-performance composites.

  3. Surface treatment of concrete, stone, and masonry for water-repellent construction materials.

  4. Pre-treatment for metal and oxide surfaces prior to painting or bonding processes.

Specifications Of Evonik Dynasylan SIVO 111 Hydro-oleophobic Modifier

Chemical TypeFluoroalkylsilane (perfluoroalkyltrialkoxysilane)
Product FormLiquid concentrate
AppearanceColorless to pale yellow clear liquid
Solvent SystemIsopropanol / water mixture
pH (1% aqueous solution)5.0 – 7.0
Primary ApplicationsHydro-oleophobic surface modification of oxides (SiO₂, Al₂O₃, TiO₂, glass, concrete)
Key FeaturesCovalent bonding, thermal stability up to 200 °C, low VOC formulation
BenefitsEnhanced durability, improved cleanability, reduced maintenance frequency


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