... properties, including high purity, excellen dispersion, enormous surface area, and extremely fine particle size. These characteristics offer advantages for use ... rubber, sealants, organic elastomers, coatings, printing inks, adheves and materials used to improve flow characteristics. Item No. A 40AppearanceWhite ... weight (less%)0.01packaging(Kg) 10 Hydrophilic fumed silica coating and painting A40