Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Tokuyama REOLOSIL QS102 Hydrophilic Fumed Silica

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.

Features Of Tokuyama REOLOSIL QS102 Hydrophilic Fumed Silica

  1. Ideal specific surface area design - 200m²/g grade, balanced thickening and thixotropic effect, wider application range

  2. Ultra-high purity & transparency - SiO₂>99.9%, provides excellent transparency for UPR and silicone rubber

  3. Precise rheology control - Stabilizes thixotropy of liquids, resins and polymers, anti-sagging & anti-settling

  4. High-efficiency reinforcement - Acts as main reinforcing agent in HTV silicone rubber, improves mechanical strength

  5. Easy dispersion & processing - Strong hydrophilicity, fast wetting in water-borne and polar systems

Typical Applications Of Tokuyama REOLOSIL QS102 Hydrophilic Fumed Silica

  1. Industrial coatings & printing inks - Thixotropic thickening, anti-settling & anti-sagging, improve finishing quality

  2. HTV silicone rubber - High-efficiency reinforcement, enhance strength, wear resistance and resilience

  3. Adhesives & sealants - Optimize rheology, boost bonding strength and construction stability

  4. Unsaturated polyester resin UPR - Improve transparency and strength, extend pot life

  5. Cable compounds & polymers - Enhance processability, insulation and mechanical properties

Specifications Of Tokuyama REOLOSIL QS102 Hydrophilic Fumed Silica

BrandTokuyama
Product SeriesREOLOSIL Hydrophilic Fumed Silica
Product TypeHydrophilic Fumed Silica
BET Surface Area200±20 m²/g
Average Primary Particle Size12 nm
Bulk Density50 g/L
Moisture Content<1.5 wt%
pH Value (4% Dispersion)4.2
SiO₂ Content>99.9 wt%
44μm Residue<0.01%
Viscosity20.0–26.5 mPa·s


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