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

Evonik Dynasylan SIVO 121 Silane Coupling Agent

Evonik Dynasylan SIVO 121 is an innovative water-based multifunctional silane product with ultra-low VOC content, specifically designed for wood surface protection. It provides exceptional water and oil repellency for both untreated and previously varnished wood surfaces through advanced impregnation technology

Features Of Evonik Dynasylan SIVO 121 Silane Coupling Agent

  1. Dual Protection - Delivers both water and oil repellency for comprehensive wood protection

  2. Ultra-Low VOC - Environmentally friendly formulation with minimal volatile organic compounds

  3. Chemical Bonding - Forms strong covalent bonds with wood substrates through silanol groups

  4. Breathable Protection - Maintains wood permeability while providing surface protection

  5. UV Resistance - Enhances weatherability with optional UV absorber compatibility

Typical Applications Of Evonik Dynasylan SIVO 121 Silane Coupling Agent

  1. Exterior Wood Protection - Weather-resistant treatment for outdoor wooden structures

  2. Architectural Woodwork - Protective coating for building facades and decorative elements

  3. Garden Furniture - Durable protection for outdoor furniture and landscaping features

  4. Historical Preservation - Conservation treatment for heritage wooden structures

  5. Industrial Wood Products - Protective treatment for wooden components and fixtures

Specifications Of Evonik Dynasylan SIVO 121 Silane Coupling Agent

Product TypeWood Impregnation Agent
VOC ContentUltra-Low
Recommended Coverage70-300 g/m²
QUV Resistance300-1500+ hours
Application Temperature5-50°C
Wood Moisture Content<18%
Minimum Concentration50% by weight
Shelf LifeCheck manufacturer
Dilution CompatibilityWater, alcohols, ketones


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