... :225 m2 / g 4.other name:white carbon black Hydrophobic silicon dioxide:1.SiO2:Min 96%3.Size:13-16 nanometer4 ... .15(g/ml) organics Max 6% heating loss Max3% PH6.5-7.5Dispersivity(CCl4) Min80BET surface 200±25m2 / gwhiteness Min96% [Effection ... powder, lubricating grease, coating, rubber, plastic, fiber, sealant, adhesivePackage: Nano grade hydrophobic silicon dioxide for anti-caking agent purpose