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High specific surface area (~300 m²/g) enabling exceptional reinforcement and thickening efficiency.
Ultra-fine, spherical primary particles (7–10 nm) ensuring uniform dispersion and low abrasivity.
Hydrophobic surface treatment with dimethyldichlorosilane for improved compatibility in non-polar systems.
Low bulk density and excellent flowability, facilitating handling and dosing in industrial processes.
Consistent batch-to-batch quality certified under ISO 9001 and REACH-compliant.
Thixotropic agent in high-performance silicone sealants and adhesives.
Reinforcing filler in liquid silicone rubber (LSR) formulations.
Viscosity stabilizer and anti-settling additive in paints, coatings, and inks.
Free-flow aid and anti-caking agent in pharmaceutical and food-grade powders.
Performance enhancer in specialty composites and polymer masterbatches.
| Chemical Type | Fumed silica, hydrophobic |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, amorphous powder |
| Specific Surface Area (BET) | 280–320 m²/g |
| SiO₂ Content | ≥99.8 wt.% |
| Ignition Loss (1000 °C) | 1.5–2.5 wt.% |
| DBP Absorption | 250–290 mL/100 g |
| pH (4% aqueous suspension) | 3.6–4.5 |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
