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Hydrophilic Fumed Silica Felcosil- EC 150
Physical Properties
Felcosil-EC150 is hydrophilic fumed silica with a specific surface area of 150m2/g. It is a kind of high purity white fumed silica powder.
Product :Fumed silica
Type name : Felcosil- EC 150
Properties
- Reinforcing filler in elastomers
- Rheology and thixotropy control of liquid system, binder, polymer, etc.
- Used as anti-setting, thickening, anti-sagging agent
- Improvement of free flow and anti-caking characteristics of powders
Specifications
| Properties | Target Values (Spec Limits) |
| Appearance | White Powder |
| Heating Loss at 105 °C 2h wt.% Max | 1.5 |
|
Igniting Loss wt.% (2h at 1000 °C, based on materials dried for 2h at 105 °C) Max |
2.0 |
| 45μm Mesh residue on sieve wt% Max | 0.04 |
| pH Value in 4% dispersion | 3.7-5.0 |
| SiO2 (based on ignited material) % Min | 99.8 |
| BET specific surface area m²/g | 135-165 |
| Tamped density (based on material dried for 2h at 105 °C g/L | 40-60 |
| Carbon conten (based on material dried for 2h at 105 °C wt.% Max | 0.15 |
Fumed Silica Application
• HTV and RTV silicone rubber
• Adhesives and sealants
• Paints, coatings and pigments
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