High-efficiency reinforcement – greatly improve mechanical strength of silicone rubber and adhesives, enhance wear and tear resistance
Precise rheology control – adjust liquid thixotropy, prevent sagging and sedimentation, improve construction fluency
Easy dispersion – fluffy white powder, convenient to add, uniform mixing, reduce processing energy consumption
High purity and low impurities – SiO₂>99.9%, no harmful impurities, ensure end-product quality
Broad formula compatibility – compatible with water-based/UV systems, suitable for various high-end formulations
Coating systems – water-based/UV coatings, unsaturated polyester coatings, thickening, thixotropy and anti-sagging
Sealants/adhesives – thickening and reinforcement, prevent filler sedimentation, improve bonding strength
Silicone rubber products – reinforcement for HCR-RTV-2K silicone rubber, enhance tensile, tear strength and insulation
Printing inks – prevent sedimentation, thickening, endow good colorability and water resistance
Powder products – anti-caking and flow aid, improve storage and processing performance
| Product Type | Hydrophilic Fumed Silica (Amorphous Silica) |
| Appearance | Fluffy white powder |
| SiO₂ Content (dry basis) | >99.9% |
| BET Surface Area | 110–150 m²/g |
| Primary Particle Size | Approximately 16 nm |
| pH Value (4% suspension) | 4.0–4.5 |
| Moisture Content | <1.5% |
| Bulk Density | Approx. 50 g/L |
| 44μm Sieve Residue | <0.01% |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China