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

Evonik AEROSIL A200 Hydrophilic Fumed Silica

Evonik AEROSIL A200 is a hydrophilic fumed silica imported from Germany, a general-purpose functional additive designed for multi-system rheology control and performance improvement, with anti-settling, thickening and anti-sagging advantages, suitable for coatings, silicone rubber, cosmetics and other fields.

Features Of Evonik AEROSIL A200 Hydrophilic Fumed Silica

  1. Efficient rheology control – Precisely controls the rheology and thixotropy of liquid and polymer systems, with strong anti-settling and anti-sagging effects

  2. Excellent thickening and reinforcement – Significantly increases system consistency, and enhances mechanical properties and stability when filling rubber and resin

  3. Outstanding powder modification – Improves powder fluidity and anti-caking property, enhancing the convenience of powder processing and storage

  4. High compatibility – Strong chemical inertness, excellent compatibility with active ingredients in pharmaceutical, cosmetic, coating and other systems

  5. Anti-corrosion and waterproof enhancement – Improves pigment dispersion, enhances paint film adhesion, corrosion resistance and waterproofness, and avoids foaming

Typical Applications Of Evonik AEROSIL A200 Hydrophilic Fumed Silica

  1. Paints and coatings – Suitable for various paint layers, improving pigment stability and comprehensive performance of paint films

  2. Silicone rubber products – Including HTV high-temperature vulcanized and RTV2K two-component room-temperature vulcanized silicone rubber, enhancing reinforcement effect

  3. Printing inks – Optimizes rheology, prevents pigment settling, and improves printing texture

  4. Pharmaceuticals and cosmetics – As a functional additive, improving product stability and user experience

  5. Adhesives and sealants – Regulates consistency and thixotropy, enhancing bonding strength and durability

Specifications Of Evonik AEROSIL A200 Hydrophilic Fumed Silica

Product SeriesAEROSIL Hydrophilic Fumed Silica
Product TypeHydrophilic Fumed Silica (White Carbon Black)
Chemical NameNano-silica
CAS Number7631-86-9
Molecular FormulaSiO₂
BET Surface Area200±25 m²/g
Average Primary Particle Size12 nm
Bulk Densityapprox. 50 g/L
Apparent Densityapprox. 30 g/L


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