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Highly pure, hydrophilic fumed silica with controlled particle size distribution for consistent rheology control.
Optimized surface area (~200 m²/g) to deliver balanced thickening, anti-settling, and thixotropic performance.
Low residual sodium content, ensuring excellent compatibility in sensitive electronic and optical formulations.
Free-flowing, low-dusting powder form enabling safe and efficient handling in industrial-scale operations.
Batch-to-batch reproducibility certified under strict ISO 9001 manufacturing controls.
UV-curable coatings and inks requiring rapid viscosity build and sag resistance.
High-performance adhesives and sealants demanding non-slumping behavior and long-term stability.
Electronic encapsulants and potting compounds where clarity, low ionic impurities, and thermal reliability are critical.
Optical resins and LED encapsulation materials requiring minimal light scattering and high transparency.
Specialty silicone rubbers requiring reinforcement without compromising elasticity or cure kinetics.
| Chemical Type | Silicon dioxide (SiO₂), synthetic amorphous fumed silica |
| Product Form | Free-flowing white powder |
| Appearance | White, odorless, fine particulate powder |
| Specific Surface Area (BET) | 190–210 m²/g |
| Primary Particle Size | Approx. 7 nm |
| Loose Bulk Density | 30–60 g/L |
| pH (4% aqueous dispersion) | 3.5–4.5 |
| Loss on Drying (105°C, 2 h) | ≤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
