DOWSIL Z-6121 (aminomethoxysilane) is a Silicate Coupling Agent for epoxy, silicone, and alkyd coatings. Its 50% active content in n-butanol enhances wet adhesion (>90% retention) and salt-spray resistance, while enabling room-temperature curing for silicone resins. Compatible with waterborne/solvent systems, it improves filler dispersion and substrate bonding in FRP, metal/glass coatings, and cable insulation. Complies with REACH/RoHS and FDA 175.105
Dual Reactivity - Vinylbenzylamine bonds with polymers; methoxy groups link to inorganic fillers
Process Adaptability - Self-emulsifying in water (forms stable 0.1–0.5% solutions) or soluble in alcohols
Performance Boost - Enhances flexural strength in composites (e.g., polypropylene-mica systems)
FRP Composites - Glass fiber sizing for automotive/construction
Cable Insulation - Clay-filled EPDM dielectric enhancement
Thermoplastics - Mineral-filled PP/PC compatibility improvement
Chemical Name | Vinylbenzylamino-functional silane |
CAS No. | N/A (refer to MSDS) |
Appearance | Greenish-yellow to reddish-amber liquid |
Active Content | 40% in methanol |
Flash Point | 13°C (55°F) |
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