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Hydrophilic fumed silica. Used in adhesives and sealants.
Details
CAS
945-52-5 112 ;7631-86-9
Product Type
Producer
Supplier
Chemical Composition
Hydrophilic Fumed Silica
Advantages
- Rheology and thixotropy control of liquid systems, binders, polymers, etc
- Reinforcement of HTV- and RTV-2K silicone rubber
- Improvement of free flow and anticaking characteristics of powders
Other Applications
Paints and coatings
Unsaturated polyester resins, laminating resins and gel coats
HTV- and RTV-2K-silicone rubber
Adhesives and sealants
Printing inks
Cable compounds and cable gels
Plant protection
Used as anti-settling, thickening and anti-sagging agent
Storage
We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances. AEROSIL® 200 should be used within 2 years after production.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Physical Properties | |||
| Humidity | <1.5 | % | |
| Tap density | 0.05 | g/cm3 | |
| Particle size | 12 | nm | Average |
| Surface Area | 175 - 225 | m²/g | BET |
| SiO2 | >99 | % | based on ignited material |
| pH | 3.7 - 4.5 | in 4% dispersion | |
| Thermal Properties | |||
| Loss on ignition | <1.0 | % | 2hours at 1000°C based on material dried for 2 hours at 105° |
| Chemical Properties | |||
| Loss on drying | <1.5 | % | 2hours at 105°C |