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Highly hydrophobic surface treatment ensures excellent dispersion stability in non-polar media.
Low bulk density and high specific surface area (≈150 m²/g) enhance thickening and anti-settling performance.
Consistent particle morphology and narrow agglomerate size distribution support reproducible rheology control.
Low sodium content (<0.05 wt%) minimizes catalytic interference in sensitive polymerization systems.
Free-flowing, dust-reduced powder form improves handling safety and metering accuracy in industrial processes.
Thixotropic additive in silicone rubber compounds for mold-making and RTV sealants.
Rheology modifier in solvent-based coatings and industrial inks.
Anti-settling agent in adhesives and sealants based on polyurethane or polysulfide chemistries.
Reinforcing filler in high-transparency liquid silicone rubber (LSR) formulations.
Viscosity stabilizer in lithium grease and specialty lubricating greases.
| Chemical Type | Fumed silica, methylsilane-treated (hydrophobic) |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, amorphous powder |
| Specific Surface Area (BET) | 140–160 m²/g |
| SiO₂ Content | ≥99.8 wt% |
| Ignition Loss (1000°C) | 1.5–2.5 wt% |
| Sodium (Na) Content | ≤0.05 wt% |
| Moisture Content (105°C) | ≤1.0 wt% |
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E-mail: wangxingqiang@ericwchem.com
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