Aerosil® R 106

Technical Documents

AEROSIL® R 106 is a hydrophobic fumed silica after treated with D4 (Octamethylcyclotetrasiloxane). Used in silicone sealants.

Details

CAS

583-49-3 68

Product Type

Additive > Fillers > Silicas
Additive > Rheology modifiers thickeners

Recommended for

Polymer > Synthetic rubbers
Resin > Silicones resin

Applications

Adhesives > Sealants

Producer

Evonik

Supplier

Evonik Iran > Silica

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
  • low chloride content
Other Applications

Reinforcing component for RTV- and HTV-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 106 should be used within 2 years after production.

Technical data

Quantity Value Unit Comment
Physical Properties
Particle size 7 nm average
Tap density 0.05 g/cm3
Surface Area 220 - 280 m²/g BET
SiO2 >99 % based on ignited material
pH >3 in 4% dispersion
Chemical Properties
Loss on drying <0.5 % 2hours at 105°C
Carbon percentage 1.5 - 3 %