Highly effective hydrophobic modifier for silica, glass, and mineral fillers.
Enhances interfacial adhesion between organic polymers and inorganic substrates.
Offers excellent hydrolytic stability due to controlled ethoxy group reactivity.
Low volatility and favorable handling safety profile compared to chlorosilanes.
Compatible with common solvent-based and water-reducible coating systems.
Reinforcement of silicone rubber compounds with fumed or precipitated silica.
Surface treatment of fillers in high-performance epoxy composites.
Adhesion promotion in automotive sealants and structural adhesives.
Moisture-cure additive in polyurethane and polysulfide elastomeric sealants.
Functionalization of glass fibers for thermoset and thermoplastic reinforced plastics.
| Chemical Type | Organofunctional alkoxysilane (methyl-substituted triethoxysilane) |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow clear liquid |
| Density (25°C) | 0.92–0.94 g/cm³ |
| Refractive Index (25°C) | 1.385–1.395 |
| Flash Point (Tag Closed Cup) | ≥ 35°C |
| Solubility | Miscible with alcohols, aromatic and aliphatic hydrocarbons; partially miscible with water |
| Storage Stability | ≥ 12 months in sealed container at room temperature |
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