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High specific surface area (~300 m²/g) for superior reinforcement and thickening efficiency.
Hydrophobic surface treatment ensures excellent compatibility with non-polar systems including silicones and hydrocarbon resins.
Consistent particle size distribution and low aggregate hardness, enabling smooth dispersion and reduced processing energy.
Low residual silanol content enhances thermal stability and long-term storage performance in sensitive formulations.
Free-flowing powder form with optimized bulk density for reliable handling and automated dosing in industrial processes.
High-performance silicone rubber compounds requiring tear strength and compression set resistance.
Thixotropic additives in adhesives and sealants for sag resistance and vertical application stability.
Reinforcing filler in liquid silicone rubber (LSR) for medical and automotive components.
Viscosity control agent in unsaturated polyester resins and vinyl ester composites.
Anti-settling agent in pigment dispersions and functional coatings for aerospace and electronics.
| Chemical Type | Hydrophobic fumed silica |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, amorphous powder |
| Primary Applications | Reinforcement, thickening, rheology control |
| Key Features | Hydrophobic, high surface area, low abrasivity |
| Specific Surface Area (BET) | 280–320 m²/g |
| SiO₂ Content | ≥99.8 wt.% |
| Ignition Loss (1000 °C) | ≤1.5 wt.% |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
