Fumed Silica

Core Feature 

Nanoeffect: Extremely fine particles, huge specific surface area, and high surface activity.

Thickening & Thixotropic Properties: Form a three-dimensional hydrogen bond network in the liquid, thickening and preventing run-off when stationary, and becoming thinner and easier to apply when sheared (essential for coatings and adhesives).

Reinforcing Effect: Significantly enhance the strength, wear resistance, and tear resistance of silicone rubber and elastomers.

Anti-Sagging & Dispersion: Prevent the precipitation of pigments and fillers, improving the uniformity of the system.

High Insulation & Heat Resistance: Resistant to high temperatures and with excellent electrical insulation.

Surface Controllability: Can be made hydrophilic or hydrophobic (through surface treatment with silanes, etc.).

Main application fields 

Silicone rubber & rubber: Main reinforcing agent, enhancing strength, transparency, and heat resistance.

Coatings & inks: Rheology enhancer, opacifier, anti-slip agent, anti-settling agent.

Adhesives & sealants: Thickening, thixotropic, reinforcing, anti-sagging.

Plastics: Improving mechanical properties, anti-aging, and processing performance.

Medicine & food: Pharmaceutical excipients, flow improvers, anti-caking agents.

Cosmetics: Matte finish, oil control, thickening, skin sensation adjustment (foundation, powder, skin care products).

Electronics & insulating materials: High-purity insulating fillers, heat insulation materials.