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

Solvay TIXOSIL 331 Pigment

Solvay TIXOSIL 331 Pigment is a high-purity, surface-treated synthetic amorphous silica designed for rheology control and anti-settling in coatings, inks, and adhesives. It delivers excellent thixotropy, low abrasivity, and superior dispersion stability while maintaining transparency and low viscosity impact—ideal for demanding industrial applications.
  • solvay tixosil 331 pigment_304b552a
  • solvay tixosil 331 pigment_304b552a

Features Of Solvay TIXOSIL 331 Pigment

  1. Highly dispersible silica-based pigment for consistent color development and reduced agglomeration.

  2. Enhanced rheology control in liquid systems without compromising flow or application properties.

  3. Thermally stable up to 250 °C, supporting high-temperature processing conditions.

  4. Low abrasivity compared to conventional mineral pigments, minimizing equipment wear.

  5. Surface-treated for improved compatibility with organic matrices including silicones, polyurethanes, and epoxy resins.

Typical Applications Of Solvay TIXOSIL 331 Pigment

  1. Color-stable silicone rubber compounds for medical and automotive sealing components.

  2. Pigmented polyurethane coatings requiring long-term UV resistance and gloss retention.

  3. High-performance epoxy encapsulants and adhesives in electronics manufacturing.

  4. Heat-resistant industrial inks for metal and ceramic substrate decoration.

Specifications Of Solvay TIXOSIL 331 Pigment

Chemical TypeSurface-modified fumed silica pigment
Product FormFree-flowing dry powder
AppearanceWhite to off-white fine powder
Primary ApplicationsHigh-performance pigmented elastomers, coatings, and encapsulants
Key FeaturesDispersion stability, thermal resilience, low oil absorption
BenefitsReduced batch variability, extended pot life, improved mechanical integrity
pH (4% aqueous slurry)4.0–6.0
Bulk Density40–60 g/L


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