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GC-Si 187 is an organo-silane coupling agent featuring a glycidyl (epoxy) functional group and a trimethoxysilyl moiety, enabling reactivity with amines, alcohols, acids, thiols, and hydroxyl-rich surfaces. It is widely used in epoxy resin composites, CASE applications (coatings, adhesives, sealants, and elastomers), and primer formulations, promoting adhesion to substrates such as metals, glass, and polymers while enhancing dry and wet properties. GC-Si 187 also improves interfacial adhesion in resin-coated proppants and foundry applications, offering color and shelf stability compared to aminosilane coupling agents. Additionally, it is utilized in electronic encapsulation and packaging to enhance electrical properties and is compatible with various polymer systems, including polyurethanes, acrylics, epoxy materials, and reinforced thermoplastics.
| Other Names & Identifiers | gamma-glycidoxyldropultrimethoxysilane |
| CAS Number | 2530-83-8 |
| Product Categories | Organofunctional Silanes | Rubber Chemicals |
| Packaging | Drums, Totes |
| Country of Origin | China |
| Molecular Weight (g/mol) | 236.4 |
| Appearance | Clear liquid |
| Boiling Point (°C) | 290 |
| Density (g/cm3) | 1.065-1.072 (25℃) |
| Purity (WT%) | >98 |
