High Oil Absorption Silica Felcosil-300
Physical Properties
White powder forms superfine silica, which is made by specific method process. It can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product.
Specifications
| Properties | Units | Target Values (Spec Limits) | Typical Value |
| Appearance | White Powder | White Powder form | |
| Heating Loss at 105 °C 2h | % | Max 6.0 | 4.65 |
|
Igniting Loss 1000°C |
% | Max 7.0 | 4.02 |
| DBP absorption Value |
cm³/g |
3.00-3.50 |
3.17 |
| pH Value in 4% dispersion | ---- | 6.0-7.0 | 6.83 |
| SiO2 (Dry Basis) | % | Min 97 | 98.1 |
| BET specific surface area | m²/g | 250-300 | 277 |
| Soluble Salt (Na2SO4) Max | % | Max1.0 | 0.61 |
| Particle Size(D50) | µm | 10-20 | 15 |
Application
Felcosil-300 possesses high oil absorption value and high transparency. It finds application in various areas such as pesticides, dry powder fire extinguishers, and more. Additionally, it exhibits reinforcement properties, making it suitable for manufacturing high transparency rubber products.
