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Highly hydrophobic surface treatment for superior moisture resistance in demanding environments.
Optimized particle morphology for efficient thickening and rheology control in low-viscosity systems.
Consistent batch-to-batch quality ensured by WACKER’s proprietary flame hydrolysis manufacturing process.
Low abrasivity compared to conventional fumed silica, preserving equipment integrity during processing.
Excellent dispersibility in non-polar media such as silicone oils and hydrocarbon solvents.
Thixotropic agent in high-performance silicone sealants and adhesives.
Rheology modifier in specialty coatings and inks for controlled sag resistance.
Reinforcing filler in liquid silicone rubber (LSR) formulations.
Anti-settling additive in agricultural suspension concentrates (SCs).
Viscosity stabilizer in lithium grease and other lubricating greases.
| Chemical Type | Fumed silica, dimethoxydimethylsilane surface-treated |
| Product Form | Free-flowing, light, white powder |
| Appearance | White, amorphous, odorless powder |
| BET Surface Area | 200 ± 20 m²/g |
| Density (Bulk, approx.) | 40–60 g/L |
| SiO₂ Content | ≥ 99.8 wt.% |
| Moisture Content (105 °C) | ≤ 1.5 wt.% |
| Primary Particle Size | Approx. 7 nm |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
