... 13-16(nm) Purity(SiO2) More than 96% hydrophobic SuperTamped densityMax 0.15(g/ml) organics Max 6% ... 25m2 / gwhiteness Min96% [Effection and purpose] It is mainly used for anti cake agent ,coating nano-emulsion, water-based paints, ... polymer powder, lubricating grease, coating, rubber, plastic, fiber, sealant, adhesivePackage: Nano grade hydrophobic silicon dioxide for anti-caking agent purpose