OCI KONASIL K-300 is an imported hydrophilic fumed silica from South Korea, belonging to KONASIL series. Refined by high-temperature flame hydrolysis, it is a high-purity amorphous white fluffy powder with high specific surface area, strong reinforcement, excellent thixotropy and efficient anti-settling, designed for medium and high-end silicone rubber, coatings and adhesives.
High specific surface area & strong reinforcement - Suitable for high-end needs, significantly improve tensile strength, tear strength and wear resistance of elastomers
Strong thixotropy & anti-settling - Precisely control system rheology, effectively prevent sagging and settling, enhance construction stability
High purity & low impurity - SiO₂ content ≥99.8%, extremely low impurities, ensure product thermal and electrical insulation and batch stability
Wide system compatibility - Good compatibility with silicone rubber, acrylic, PU, PVC plastisol and other resins and coating systems
Easy powder processing - Fluffy and easy to disperse, no coarse particles, improve powder fluidity, anti-caking, easy feeding and storage
HTV/RTV silicone rubber - High-end reinforcing filler, improve product mechanical properties and durability, suitable for sealing and shock absorption products
Sealants & high-end adhesives - Thixotropic thickening and anti-settling, enhance bonding strength and workability, suitable for precision sealing scenarios
Industrial coatings & printing inks - Anti-sagging, system stabilization, improve film fineness and printing uniformity
Acrylic/PU/PVC plastisol - Rheology control, improve processing and molding performance, enhance product surface texture
Resin gel coats & rubber products - Enhance mechanical properties, while improving product thermal and electrical insulation, suitable for special scenarios
| Brand | OCI Korea |
| Product Series | KONASIL Hydrophilic Fumed Silica |
| Product Type | Fumed Silica |
| Appearance | White fluffy amorphous powder |
| BET Surface Area | 300±30 m²/g |
| pH Value (4% Dispersion) | 4.2 |
| Loss on Drying | ≤1.5 wt% |
| Loss on Ignition | ≤1.5 wt% |
| Bulk Density | 50 g/L |
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