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

Tokuyama REOLOSIL CP-102 Fumed Silica

Tokuyama REOLOSIL CP-102 Fumed Silica is a hydrophilic, high-purity pyrogenic silica designed for rheology control and thickening in coatings, adhesives, and sealants. With specific surface area ~100 m²/g and low DBP absorption, it delivers excellent dispersion, thixotropy, and storage stability while maintaining low viscosity buildup.
  • tokuyama reolosil cp 102 fumed silica_cb90df1f
  • tokuyama reolosil cp 102 fumed silica_cb90df1f

Features Of Tokuyama REOLOSIL CP-102 Fumed Silica

  1. Highly pure, hydrophilic fumed silica with controlled particle size distribution for consistent rheology control.

  2. Excellent thickening and anti-settling performance in low-viscosity liquid systems without gelation.

  3. Superior dispersion stability in polar and non-polar media due to optimized surface silanol density.

  4. Low abrasivity and high flowability, enabling easy handling and homogeneous incorporation into formulations.

  5. Thermally stable up to 200 °C, supporting processing in elevated-temperature applications.

Typical Applications Of Tokuyama REOLOSIL CP-102 Fumed Silica

  1. Thixotropic agents in silicone sealants and RTV adhesives.

  2. Rheology modifiers in industrial coatings and solvent-based paints.

  3. Anti-settling additives in pigment concentrates and inkjet inks.

  4. Free-flow aids and reinforcing fillers in pharmaceutical powders and nutraceutical blends.

  5. Viscosity stabilizers in lithium battery electrolyte gels and functional pastes.

Specifications Of Tokuyama REOLOSIL CP-102 Fumed Silica

Chemical TypeSynthetic amorphous silicon dioxide (SiO₂)
Product FormFree-flowing white powder
AppearanceWhite, odorless, fine particulate powder
BET Surface Area100 ± 10 m²/g
DBP Oil Absorption2.5 ± 0.3 mL/g
Loose Bulk Density40–60 g/L
pH (4% aqueous slurry)3.8–4.5
Ignition Loss (1000 °C, 1 h)≤1.5 wt%


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