Tokuyama REOLOSIL QS102 is a hydrophilic fumed silica imported from Japan with medium specific surface area. It provides excellent thixotropy, thickening, reinforcement and anti-settling properties, designed for resins, coatings, adhesives and HTV silicone rubber.
Ideal specific surface area design - 200m²/g grade, balanced thickening and thixotropic effect, wider application range
Ultra-high purity & transparency - SiO₂>99.9%, provides excellent transparency for UPR and silicone rubber
Precise rheology control - Stabilizes thixotropy of liquids, resins and polymers, anti-sagging & anti-settling
High-efficiency reinforcement - Acts as main reinforcing agent in HTV silicone rubber, improves mechanical strength
Easy dispersion & processing - Strong hydrophilicity, fast wetting in water-borne and polar systems
Industrial coatings & printing inks - Thixotropic thickening, anti-settling & anti-sagging, improve finishing quality
HTV silicone rubber - High-efficiency reinforcement, enhance strength, wear resistance and resilience
Adhesives & sealants - Optimize rheology, boost bonding strength and construction stability
Unsaturated polyester resin UPR - Improve transparency and strength, extend pot life
Cable compounds & polymers - Enhance processability, insulation and mechanical properties
| Brand | Tokuyama |
| Product Series | REOLOSIL Hydrophilic Fumed Silica |
| Product Type | Hydrophilic Fumed Silica |
| BET Surface Area | 200±20 m²/g |
| Average Primary Particle Size | 12 nm |
| Bulk Density | 50 g/L |
| Moisture Content | <1.5 wt% |
| pH Value (4% Dispersion) | 4.2 |
| SiO₂ Content | >99.9 wt% |
| 44μm Residue | <0.01% |
| Viscosity | 20.0–26.5 mPa·s |
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