Tokuyama REOLOSIL CP-102 is a hydrophilic fumed silica imported from Japan. It features high reinforcement efficiency and excellent rheology control, with easy dispersion and low impurities, designed for coatings, silicone rubber, adhesives and other fields
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% |
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