Fusil 200: Fumed Silica
Introduction
FS-200 is a high-purity, hydrophilic fumed silica with a specific surface area of 200 m²/g and a primary particle size ranging from 5 to 40 nm.
| Test Items | Standard Value |
|---|---|
| Specific Surface Area (m²/g) | 200±15 |
| pH Value | 3.6–4.3 |
| Loss on Heating (m/m), 2h at 105 °C (%) | ≦2.0 |
| Bulk Density (g/l) | 30–60 |
| SiO₂ Content (%) | ≧99.8 |
Features
- Excellent thickening performance.
- Enhances pigment stability, improves dispersion, and prevents sedimentation.
- Prevents caking.
- Reinforces rubber compounds.
- High transparency.
Applications
- Thermosetting inks
- Paints and coatings
- Unsaturated polyester resins