Tokuyama REOLOSIL QS-30 is a hydrophilic fumed silica imported from Japan. It is designed for rheology control, reinforcement and thickening, with high purity and excellent dispersibility, suitable for coatings, adhesives, silicone rubber and other fields.
Strong rheology control – adjust thixotropy of liquid systems, prevent sagging and sedimentation
Excellent reinforcement – improve mechanical strength of silicone rubber and polymers
High purity and low impurities – purity ≥99.9%, no harmful impurities, ensure product quality
Easy dispersion and processing – fluffy, non-agglomerating, suitable for various formulations
Multi-functional adaptability – thickening, dust-proof, anti-caking and carrier functions
Coating systems – water-based, UV coatings and inks, thickening, anti-sagging, improve transparency
Adhesives/sealants – thickening and reinforcement, enhance bonding strength, prevent sedimentation
Silicone rubber products – reinforcement for HCR-RTV-2K silicone rubber, improve toughness
Powder products – anti-caking, flow aid, improve fluidity and storage stability
Cosmetics/inkjet printing paper – adjust texture, prevent bleeding, enhance ink absorption
| Product Type | Hydrophilic Fumed Silica (Amorphous Silica) |
| Appearance | Fluffy white powder |
| SiO₂ Content (dry basis) | ≥99.9% |
| BET Surface Area | 270–330 m²/g |
| pH Value (4% suspension) | 4.2 |
| Moisture Content | <2.0% |
| Bulk Density | Approximately 50 g/L |
| 44μm Sieve Residue | <0.01% |
| Chlorine (Cl) Content | <50 ppm |
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