AEROSIL® fumed silica for silicone rubber - Effects and properties in different applications

Evonik maintains a broad product portfolio comprising numerous AEROSIL® fumed silica types that were specifically developed for the silicone industry and offer a multitude of technical benefits for silicone applications.

 AEROSIL® products ensure the improvement of important silicone rubber properties.

Such as:

The use of AEROSIL® fumed silica as a reinforcing filler improves mechanical properties, for example in various sports articles made of HCR or LSR silicone rubber.
Mechanical properties

Pass every test with AEROSIL® fumed silica: Tensile strength, elongation at break, tear resistance, hardness, rebound elasticity, compression set 

AEROSIL® fumed silica offers far more than brillant prospects
Optical properties

AEROSIL® fumed silica offers far more than brilliant prospects: Transparency, smooth and glossy surfaces 

Rheological properties
Rheological properties

Get in the flow with AEROSIL® fumed silica: Viscosity, extrudability, rigidity, thixotropy, flow ability, storage stability 

AEROSIL® fumed silica and AEROXIDE® fumed oxides in flexible and temperature-resistant food molds
Thermal properties

AEROSIL® fumed silica and AEROXIDE® fumed oxides give temperatures the cold shoulder: High flexibility at low temperatures, improved heat stability based on metal oxides, flame retardancy 

Technical service handling
Processing properties and product handling 

AEROSIL® fumed silica can be loose or densified: Fast processing, densified product, packaging, handling information