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

DOWSIL Z-6121 Silicate Coupling Agent

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

Features Of DOWSIL OFS-6032 Silicate Coupling Agent

  1. Dual Reactivity - Vinylbenzylamine bonds with polymers; methoxy groups link to inorganic fillers

  2. Process Adaptability - Self-emulsifying in water (forms stable 0.1–0.5% solutions) or soluble in alcohols

  3. Performance Boost - Enhances flexural strength in composites (e.g., polypropylene-mica systems)

Typical Applications Of DOWSIL OFS-6032 Silicate Coupling Agent

  1. FRP Composites - Glass fiber sizing for automotive/construction

  2. Cable Insulation - Clay-filled EPDM dielectric enhancement

  3. Thermoplastics - Mineral-filled PP/PC compatibility improvement

Specifications Of DOWSIL OFS-6032 Silicate Coupling Agent

Chemical NameVinylbenzylamino-functional silane
CAS No.N/A (refer to MSDS)
AppearanceGreenish-yellow to reddish-amber liquid
Active Content40% in methanol
Flash Point13°C (55°F)


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