myTechnical Documents
AEROSIL® R 711 is a fumed silica aftertreated with a methacrylsilane. Used in acrylate and methyl acrylate adhesives.
Details
CAS
402-78-6 100
Recommended for
Industry
Producer
Supplier
Chemical Composition
Fumed Silica
Advantages
- Effective rheology control in complex liquid systems
- Improvement of scratch and mar resistance of paints and coatings systems (e.g. UV-curing) and printing inks
- Improvement of the mechanical properties, e.g. hardness of composite formulations and plastics
- anti-sagging, thixotropic and anti-settling effects
Other Applications
Paints and coatings systems
Plastics and elastomers
Dental composites
acrylate and methyl acrylate adhesives
Storage
We recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances.Aerosil® R 711 should be used within 2 years after production.
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Physical Properties | |||
| Tap density | 0.06 | g/cm3 | |
| Surface Area | 125 - 175 | m²/g | BET |
| SiO2 | > 99.8 | % | based on ignited material |
| pH | 4 - 6 | in 4% dispersion | |
| Chemical Properties | |||
| Loss on drying | <1.5 | % | 2hours at 105°C |
| Carbon percentage | 4.5 - 6.5 | % | |