Hydrophobic Fumed Silica

Our hydrophobic (treated) fumed silica powders provide exceptional performance benefits for a wide variety of applications and industries.

Our CAB-O-SIL® hydrophobic fumed silica products are used around the world to meet our customers’ challenging performance requirements. Due to the combination of particle characteristics and surface chemistry, CAB-O-SIL hydrophobic fumed silicas provide superior performance benefits for many types of applications, including:

Performance benefits

For systems requiring hydrophobic grades, our treated fumed silicas deliver a number of performance benefits including:

  • Reduced moisture adsorption
  • Anti-settling, thickening and sag resistance in polar systems
  • Scratch and abrasion resistance
  • Free-flow and anti-caking
  • Corrosion resistance
  • Reinforcement