AEROSIL®

Fumed Silica

For over 70 years Evonik’s AEROSIL® has been a market leading brand of fumed silica. With a unique range of both hydrophilic and hydrophobic grades available the number of applications are endless. Fumed, or pyrogenic silica is composed of synthetic silicon dioxide (SiO2) which is entirely amorphous, eliminating the risks posed by crystalline silica.

Evonik’s AEROSIL&r...    Read more  


For over 70 years Evonik’s AEROSIL® has been a market leading brand of fumed silica. With a unique range of both hydrophilic and hydrophobic grades available the number of applications are endless. Fumed, or pyrogenic silica is composed of synthetic silicon dioxide (SiO2) which is entirely amorphous, eliminating the risks posed by crystalline silica.

Evonik’s AEROSIL® range is the most extensive range of fumed silica on the market, with many of their products tailored for particular applications. The versatility of AEROSIL® means that it can be found all around us, from the paints on our walls to the fertilizers on our crops, and everything in between.



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Features


    • Chemically inert synthetic amorphous silica

    • Available in hydrophilic and chemically treated hydrophobic grades

    • Extremely high specific surface area

    • Numerous different primary particle sizes available

Benefits


    • Enhanced particle separation reduces caking and leads to improved flowability in powder systems

    • Formation of agglomerates causes a distinctive thickening effect

    • The 3-Dimensional network of agglomerated aggregates enhances dispersion and reduces sedimentation.

    • Enhances abrasion

Typical Applications


    • Rheology and thixotropy control in paints, coatings, inks, sealants & adhesives

    • Scratch resistance in paints and coatings

    • Anti-settling agent in pigment dispersions and suspension concentrates

    • Impart Free-flow and anti-caking properties in powders

    • Metal and glass polishing

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