Hydrophobic silicon dioxide(Nano) 1.SiO2:Min 96% 2.Size:13-16( ... :225 m2 / g 4.other name:white carbon black Hydrophobic silicon dioxide:1.SiO2:Min 96%3.Size:13-16 nanometer4 ... grease, coating, rubber, plastic, fiber, sealant, adhesivePackage: Nano grade hydrophobic silicon dioxide for anti-caking agent purpose