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Highly hydrophobic surface treatment ensures excellent moisture resistance and long-term storage stability.
Optimized for rheology control in non-aqueous systems, delivering efficient thickening and anti-sag performance.
Consistent particle morphology and narrow primary particle size distribution (≈7 nm) ensure reproducible dispersion behavior.
Low density and high specific surface area (~200 m²/g) enable efficient reinforcement at low loading levels.
Free-flowing powder form with low dust generation supports safe, operator-friendly handling and automated dosing.
Thixotropic additive in silicone elastomers and RTV/HTV rubber compounds.
Rheology modifier in solvent-based adhesives, sealants, and automotive underhood coatings.
Anti-settling agent in high-solids industrial paints and corrosion-resistant epoxy primers.
Reinforcing filler in specialty polyurethane gels and flame-retardant cable compounds.
Processing aid in thermoplastic composites requiring improved melt viscosity control and dimensional stability.
| Chemical Type | Hydrophobic fumed silica (dimethyldichlorosilane-treated) |
| Product Form | Free-flowing white powder |
| Appearance | White, amorphous, odorless powder |
| Specific Surface Area (BET) | 190–210 m²/g |
| Primary Particle Size | Approx. 7 nm |
| SiO₂ Content | ≥99.8 wt.% |
| Loss on Drying (105 °C, 2 h) | ≤1.5 wt.% |
| Residue on Ignition (1000 °C) | ≤0.5 wt.% |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
