Hydrophobic silicon dioxide(Nano) 1.SiO2:Min 96% 2.Size:13-16(nm) 3. ... Min96% [Effection and purpose] It is mainly used for anti cake agent ,coating nano-emulsion, water-based paints, cement modification. Improve the ... polymer powder, lubricating grease, coating, rubber, plastic, fiber, sealant, adhesivePackage: Nano grade hydrophobic silicon dioxide for anti-caking agent purpose