Hydrophobic high purity silica powder 1.SiO2:Min 96% 3.Size:13-16(nm) 4.BET surface:170 -240m2 / ... g2.other name:white carbon black [Technical data] Average primary particle size 13-16(nm) Purity(SiO2) More than 96% hydrophobic ... properties, anti-aging properties, anti-UV properties[Application] Dispersible polymer powder, lubricating grease, coating, rubber, plastic, fiber, sealant, adhesive ...