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Hydrophilic fumed silica. Used in adhesives and sealants.
Details
CAS
945-52-5 112 ;7631-86-9
Recommended for
Producer
Supplier
Chemical Composition
Hydrophilic Fumed Silica
Advantages
- Rheology and thixotropy control of liquids, binders, polymers, etc.
- Optimal dispersion yields best results in pronounced thickening and thixotropy
- Reinforcement of HTV- and LSR (Liquid Silicone Rubber) at a high transparency level
- Excellent transparency in unsaturated polyester resins
Other Applications
Paints and coatings
HTV- and LSR (Liquid Silicone Rubber)
Cable compounds and unsaturated polyester resins
Adhesives and sealants
Printing inks
Cosmetics
Storage
We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances. AEROSIL® 300 should be used within 2 years after production.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Physical Properties | |||
| Humidity | <1.5 | % | |
| Surface Area | 270 - 330 | m²/g | BET |
| Tap density | 0.05 | g/cm3 | |
| Particle size | 7 | nm | Average |
| SiO2 | >99 | % | based on ignited material |
| pH | 3.7 - 4.5 | in 4% dispersion | |
| Thermal Properties | |||
| Loss on ignition | <2 | % | |
| Chemical Properties | |||
| Loss on drying | <1.5 | % | 2hours at 105°C |