EF 9682 Epoxy-Functional Silicone Fluid
Silico® EF-9682 is an epoxy-functional silicone fluid designed for epoxy systems and silicone copolymers. It offers good reactivity, flexibility, and thermal stability. With low viscosity and strong chemical resistance, it improves adhesion and durability in coatings, adhesives, sealants, and textiles.
Product Description
Silico® EF-9682 is a high-quality epoxy-functional silicone fluid engineered for use in epoxy curing systems, silicone copolymer synthesis, and advanced polymer formulations. Featuring randomly distributed epoxy-alkyl and dimethyl siloxane blocks, EF-9682 offers exceptional reactivity, flexibility, and thermal stability. Its low viscosity and excellent chemical resistance make it ideal for enhancing adhesion, mechanical durability, and weatherability in coatings, adhesives, sealants, and textile finishes.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| Product Name | EF-9682 Epoxy-Functional Silicone Fluid |
| Chemical Type | Epoxy-Functional Dimethylpolysiloxane Copolymer |
| CAS Number | Not publicly specified |
| Appearance | Clear to slightly hazy, colorless to pale straw liquid |
| Viscosity @ 25°C | 38 cP |
| Epoxy Equivalent Weight | ~1,100 g/eq |
| Molecular Weight (Approx.) | 2,200 g/mol |
| Refractive Index @ 25°C | 1.4138 |
| Specific Gravity @ 25°C | 0.98 |
| Flash Point (P.M.C.C.) | >200°F (93°C) |
| Storage Conditions | Moisture sensitive; store below 100°F (38°C) in sealed containers |
Key Performance Features
Multiple Reactive Sites: Pendant epoxy groups increase crosslink density and curing efficiency
Superior Flexibility: Maintains elasticity while enhancing chemical resistance
Excellent Substrate Adhesion: Bonds effectively to glass, metal, textiles, and plastics
Thermal & UV Stability: Suitable for outdoor and high-temperature applications
Low VOC Compatibility: Ideal for UV/EB-curable and solvent-free systems
Customization Ready: Molecular weight, epoxy content, and viscosity can be tailored for specific applications
Recommended Applications
| Industry | Application |
|---|---|
| Coatings & Paints | Adhesion promoter, reactive diluent, weatherable topcoats |
| Textile Finishing | Durable softeners and reactive silicone softening agents |
| Adhesives & Sealants | Improves bonding strength, flexibility, and environmental resistance |
| Electronics | Thermal encapsulants, flexible potting compounds |
| UV/EB Curable Systems | Crosslinking agent in radiation-cured coatings and inks |
Packaging & Storage
| Details | Description |
|---|---|
| Packaging | Available in 5kg, 25kg or 200kg PE drums or coated iron drums. |
| Storage | Store in a cool, dry, well-ventilated area at ambient temperature. Avoid contact with acids and bases. Shelf life: 12 months in unopened containers. |
| Transportation | Non-hazardous; handle as general chemicals. |
Disclaimer
All technical data provided is based on current knowledge and experience. Users must test product suitability for intended applications.
No warranties are expressed or implied. Silico® assumes no liability for incidental or consequential damages.
Jessica G.
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