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Highly hydrophobic surface treatment with dimethoxydimethylsilane for exceptional moisture resistance.
Efficient thickening and rheology control in non-aqueous systems without gelling in polar solvents.
Excellent long-term storage stability and anti-settling performance in liquid formulations.
Low dust generation and improved handling safety due to controlled particle agglomeration.
Consistent batch-to-batch performance enabled by Evonik’s proprietary fumed silica manufacturing process.
Thickening agent in solvent-based coatings and industrial paints.
Rheology modifier in adhesives and sealants, especially silicone and polyurethane systems.
Anti-sag additive in high-solids, low-VOC automotive refinish coatings.
Viscosity stabilizer in lubricating greases and specialty oils.
Structuring agent in anhydrous personal care formulations such as antiperspirant sticks and lip glosses.
| Chemical Type | Fumed silica, surface-treated with dimethoxydimethylsilane |
| Product Form | Free-flowing white powder |
| Appearance | White, amorphous, fine particulate powder |
| BET Surface Area | 100 ± 15 m²/g |
| SiO₂ Content | ≥ 99.8 wt.% |
| Ignition Loss (1000 °C) | 3.0 – 5.0 wt.% |
| Residue on Ignition (1000 °C) | ≥ 95.0 wt.% |
| pH (4% aqueous suspension) | 3.5 – 5.0 |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
