Evonik AEROSIL A200 is a hydrophilic fumed silica imported from Germany, a general-purpose functional additive designed for multi-system rheology control and performance improvement, with anti-settling, thickening and anti-sagging advantages, suitable for coatings, silicone rubber, cosmetics and other fields.
Efficient rheology control – Precisely controls the rheology and thixotropy of liquid and polymer systems, with strong anti-settling and anti-sagging effects
Excellent thickening and reinforcement – Significantly increases system consistency, and enhances mechanical properties and stability when filling rubber and resin
Outstanding powder modification – Improves powder fluidity and anti-caking property, enhancing the convenience of powder processing and storage
High compatibility – Strong chemical inertness, excellent compatibility with active ingredients in pharmaceutical, cosmetic, coating and other systems
Anti-corrosion and waterproof enhancement – Improves pigment dispersion, enhances paint film adhesion, corrosion resistance and waterproofness, and avoids foaming
Paints and coatings – Suitable for various paint layers, improving pigment stability and comprehensive performance of paint films
Silicone rubber products – Including HTV high-temperature vulcanized and RTV2K two-component room-temperature vulcanized silicone rubber, enhancing reinforcement effect
Printing inks – Optimizes rheology, prevents pigment settling, and improves printing texture
Pharmaceuticals and cosmetics – As a functional additive, improving product stability and user experience
Adhesives and sealants – Regulates consistency and thixotropy, enhancing bonding strength and durability
| Product Series | AEROSIL Hydrophilic Fumed Silica |
| Product Type | Hydrophilic Fumed Silica (White Carbon Black) |
| Chemical Name | Nano-silica |
| CAS Number | 7631-86-9 |
| Molecular Formula | SiO₂ |
| BET Surface Area | 200±25 m²/g |
| Average Primary Particle Size | 12 nm |
| Bulk Density | approx. 50 g/L |
| Apparent Density | approx. 30 g/L |
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