SiO2 - Fumed silica, nanopowder, hydrophilicPrimary particle average size: 7-14 nmSpecific surface: > 200 m2/gBulk Density: ca. 0.048 g/cm3Purity: > 99.8% (excl. ca. 2% moisture) Available in : 25g Pack Sizes SiO2 - Fumed silica, nanopowder, hydrophobicPrimary particle average size: ca. 14 nmSpecific surface: ca. 100 m2/gBulk Density: ca. 0.05 g/cm3; Purity: > 99.8% (excl. stabilizer)Modified by polydimethylsiloxane (PDMS) Available in : 25g Pack Sizes SiO2 - Fumed silica, nanopowder, hydrophobicPrimary particle average size: 7-14 nmSpecific surface: ca. 150 m2/gBulk Density: ca. 0.05 g/cm3, Purity: > 99.8% (excl. stabilizer)Modifi ed by octylsilane Available in : 25g Pack Sizes SiO2 - Nanoparticles, 10 nm, 30% aqueous suspensionPrimary particle average size: ca.10 nmSpecific surface: ca. 320 m2/gDensity: ca. 1, 2 g/cm3;Purity of solid component: > 99.5%Admixtures: Na ca. 0, 45% Available in : 100 ml Pack Sizes SiO2 - Nanoparticles, 20 nm, 50% aqueous suspensionPrimary particle average size: ca.20 nmSpecific surface: ca. 140 m2/gDensity: ca. 1, 4 g/cm3;Purity of solid component: > 99.5%Admixtures: Na ca. 0, 25% Available in : 100 ml Pack Sizes