Hydrophobic silicon dioxide(Nano) 1.SiO2:Min 96% 2.Size: ... g 4.other name:white carbon black Hydrophobic silicon dioxide:1.SiO2:Min 96%3.Size:13- ... Effection and purpose] It is mainly used for anti cake agent ,coating nano-emulsion, water-based paints, cement modification. ... , coating, rubber, plastic, fiber, sealant, adhesivePackage: Nano grade hydrophobic silicon dioxide for anti-caking agent purpose