Fusil 200: Fumed Silica
Overview
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), 2 h 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