An all-around favorite. Fumed silica is an extremely versatile product and The Cary Company offers a variety of fumed silica products to meet your needs. It is a common thickener in epoxy resins. Fumed silica can be used for specific properties such as dispersion, stability, hydrophobicity, and functionality. Along with the traditional polyester, silicone, adhesives, paints and coatings applications, fumed silica is used with increasing success in high technology fields.