Technical Documents
AEROSIL® R 104 is a hydrophobic fumed silica after treated with D4 (Octamethylcyclotetrasiloxane). Used in silicone sealants.
Details
CAS
583-49-3 68
Recommended for
Applications
Producer
Supplier
Chemical Composition
Hydrophobic Fumed Silica
Advantages
- thickening and reinforcing properties
- Rheology control of binders and polymers
- Improvement and maintenance of free flow and anti-caking characteristics of powders
- Improved tribo electric charge stability
- low chloride content
Other Applications
Reinforcing component for HCR-silicone rubber
Thickening agent for RTV- 1K Silicone sealants
Thermoplastics
Toner
Storage
We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances. Aerosil® R 104 should be used within 2 years after production.
Technical data
Quantity | Value | Unit | Comment |
---|---|---|---|
Physical Properties | |||
SiO2 | >99 | % | based on ignited material |
Particle size | 12 | nm | average |
Tap density | 0.05 | g/cm3 | |
Surface Area | 125 - 175 | m²/g | BET |
pH | >4 | in 4% dispersion | |
Chemical Properties | |||
Carbon percentage | 1 - 2 | % | |
Loss on drying | <1.5 | % | 2hours at 105°C |