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Aerosil 200 is a high-purity hydrophilic fumed silica widely used as a thickening, rheology-control, anti-settling, anti-caking, reinforcing, and flow-improving agent. It is commonly used in cosmetics, pharmaceuticals, paints, coatings, adhesives, sealants, inks, plastics, rubber, and various industrial formulations.
| Specification | Details |
|---|---|
| Product Name | Aerosil 200 / Fumed Silica 200 |
| Chemical Name | Silicon Dioxide |
| Chemical Formula | SiO₂ |
| CAS Number | 112945-52-5 |
| Silica Type | Hydrophilic Fumed Silica |
| Appearance | Fine White Powder |
| Odor | Odorless |
| Specific Surface Area (BET) | Approximately 200 m²/g* |
| Primary Particle Size | Nanometer Range |
| Water Interaction | Dispersible; Does Not Dissolve |
| Main Functions | Thickener, Rheology Modifier, Anti-Settling & Flow Aid |
| Surface Character | Hydrophilic |
| Purity | According to Supplier Specification |
| Grade | Industrial / Cosmetic / Pharmaceutical, depending on certification |
| Storage | Dry Place, Tightly Sealed |