Highly hydrophobic surface treatment with dimethyldichlorosilane for superior moisture resistance.
Optimized specific surface area (~110 m²/g) balancing thickening efficiency and dispersion stability.
Low density and excellent flowability, enabling easy handling and uniform incorporation into formulations.
Consistent particle morphology and narrow aggregate size distribution for reproducible rheological performance.
Non-reinforcing grade — designed primarily for viscosity control and anti-settling without significant mechanical reinforcement.
Thixotropic agents in solvent-based coatings and industrial maintenance paints.
Anti-settling additives in pigment concentrates and suspension-based agrochemical formulations.
Rheology modifiers in adhesives and sealants, especially silicone and polyurethane systems.
Free-flow aids in pharmaceutical and food-grade powders requiring hydrophobicity and low dusting.
Stabilizers in liquid cleaning products and specialty inks to prevent phase separation.
| Chemical Type | Hydrophobic fumed silica |
| Product Form | Free-flowing white powder |
| Appearance | White, amorphous, odorless powder |
| Primary Applications | Rheology control, anti-settling, thixotropy, free-flow aid |
| Key Features | Dimethyldichlorosilane surface treatment, high hydrophobicity |
| Specific Surface Area (BET) | Approx. 110 m²/g |
| SiO₂ Content | ≥ 99.8 wt.% |
| Ignition Loss (105 °C, 2 h) | ≤ 1.5 wt.% |
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E-mail: wangxingqiang@ericwchem.com
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