Evonik Dynasylan 6490 is a high-performance vinyl-functional silane oligomer specifically engineered as an advanced coupling agent for mineral-filled polymer composites. This innovative formulation features vinyl and alkoxy functional groups that provide exceptional bonding between inorganic fillers and organic polymer matrices, ensuring superior electrical properties and mechanical performance in demanding applications
Enhanced Interfacial Bonding - Superior adhesion between fillers and polymer matrices
Excellent Hydrophobicity - Maintains electrical integrity in humid environments
Improved Process Safety - High flash point and thermal stability
Reduced VOC Emissions - Environmentally compliant formulation
Versatile Compatibility - Wide applicability across various polymer systems
High-Voltage Cable Insulation - Mineral-filled cross-linked polyethylene systems
Flame-Retardant Compounds - ATH/MDH filled HFFR cable applications
Automotive Wire Harnesses - Enhanced moisture resistance in vehicle cables
Industrial Cable Jacketing - Improved mechanical and electrical properties
Polymer Composite Modification - Filler treatment for enhanced dispersion
Product Type | Vinyl alkoxysilane oligomer | - |
Appearance | Colorless transparent liquid | Visual |
Active Content | ≥ 98.5% | GC Analysis |
Viscosity (25°C) | 30-60 mPa·s | ISO 3104 |
Density (25°C) | 0.97-1.03 g/cm³ | ISO 3675 |
Flash Point | ≥ 105°C | ISO 2719 |
Refractive Index (20°C) | 1.420-1.430 | ISO 2806 |
Volatile Content | ≤ 1.0% | ISO 3251 |
Recommended Dosage | 0.3-2.5% in compound | - |
Storage Stability | 24 months in sealed container | - |
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