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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.
- with the highest surface area resulting in best thickening and thixotropy
- Reinforcement of HTV-silicone rubber
- Excellent transparency in unsaturated polyester resins
- Flow aid
Other Applications
Paints and coatings
HTV- silicone rubber
Cable compounds and unsaturated polyester resins
Adhesives and sealants
Printing inks
Storage
We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances. AEROSIL® 380 should be used within 2 years after production.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Physical Properties | |||
| Tap density | 0.05 | g/cm3 | |
| Particle size | 7 | nm | Average |
| Surface Area | 350 - 410 | m²/g | BET |
| SiO2 | >99 | % | based on ignited material |
| pH | 3.7 - 4.5 | in 4% dispersion | |
| Humidity | <2 | % | |
| Thermal Properties | |||
| Loss on ignition | <2.5 | % | based on material dried for 2 hours at 105°C |
| Chemical Properties | |||
| Loss on drying | <2 | % | 2hours at 105°C |