
SC-800 Mercapto Functional Silicone Fluid
SC-800 is a high-performance silicone fluid with mercapto (–SH) groups on a dimethylsiloxane backbone. It provides excellent reactivity, metal adhesion, and release properties for coatings, UV-curable systems, and surface treatments.
Product Introduction:
SC-800 is a high-performance mercapto-functional silicone fluid featuring pendant mercaptopropyl (–SH) groups grafted onto a dimethylsiloxane backbone. This reactive silicone oil offers superior reactivity, metal adhesion, and release properties, making it an ideal choice for advanced coatings, UV-curable systems, and surface modification applications.
Technical Specifications
Property | Typical Value |
---|---|
Chemical Structure | Mercaptopropyl-functionalized dimethylsiloxane copolymer |
Viscosity (@25°C) | ~200 cP |
Thiol Content | ~2.0% by weight |
Refractive Index | ~1.413 |
Density (@25°C) | ~0.98 g/cm³ |
Flash Point (PMCC) | 450°F (>232°C) |
Solubility | Miscible with aliphatic and aromatic hydrocarbons; compatible with dimethyl silicone fluids |
CAS Number | Proprietary (contact supplier) |
Key Features of SC-71-SS
Enhanced Reactivity: The mercapto (–SH) groups enable efficient addition reactions with unsaturated compounds, facilitating crosslinking in various polymer systems.
Superior Metal Adhesion: Exhibits strong affinity for metal surfaces, enhancing adhesion and providing corrosion resistance.
Excellent Release Properties: Outperforms conventional silicone fluids in mold release applications, reducing buildup and extending mold life.
Thermal & Oxidative Stability: Maintains stability under high-temperature and oxidative conditions, ensuring long-term performance.
Application Areas
Mold Release Agent: Effective in molding processes for rubber, plastics, and metals, providing clean release and surface finish.
UV/EB-Curable Coatings and Inks: Acts as a reactive diluent or crosslinker, improving adhesion and flexibility.
Corrosion-Resistant Coatings: Enhances the protective properties of coatings applied to metal substrates.
Polymer Modification: Serves as a functional additive in the synthesis of silicone-organic copolymers, tailoring material properties.
Packaging Options:
We offer flexible packaging for both R&D and bulk industrial use:
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1 kg & 5 kg HDPE bottles (sample/lab-scale)
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25 kg pails & 200 kg drums (industrial production)
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1000 kg IBC totes available on request
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Custom viscosity grades and formulations available under Silico® brand lines
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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