High-purity vinyl-functional silane with excellent hydrolytic stability under controlled conditions.
Reactive vinyl group enables covalent bonding with organic polymers during free-radical curing processes.
Three methoxy groups provide strong condensation reactivity with inorganic surfaces (e.g., glass, silica, metals).
Low volatility and favorable handling characteristics compared to chlorosilane alternatives.
Domestically manufactured to consistent quality standards with batch-to-batch reproducibility.
Adhesion promoter in silicone rubber–glass or silicone rubber–metal composites.
Surface modifier for silica fillers in high-performance RTV and HTV silicone elastomers.
Coupling agent in vinyl ester and unsaturated polyester resin systems for fiber-reinforced composites.
Functional additive in moisture-curable sealants and adhesives to enhance substrate bonding.
| Chemical Type | Vinyltrimethoxysilane |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Specific Gravity (25°C) | 0.965–0.975 g/cm³ |
| Refractive Index (25°C) | 1.392–1.398 |
| Boiling Point | 155–160°C (at 760 mmHg) |
| Flash Point (Closed Cup) | 46°C |
| Storage Stability | ≥12 months in sealed container at 2–25°C |
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